Black Diamond Positron Screwgate Carabiner

works great - nuff said.

These biners are light, easy to lock/open, great to handle, they do it all. Not exactly a belay biner, but when you need a locker for about any other purpose these things are bomber!

I picked up 4 of the BD Positron Screwgate biners and absolutely love them. They are very light-weight and versatile for anchoring systems. The Key Lock is great as webbing and pro will not snag when engaging the biner. The Screwgate works nicely. It is worth noting that these are essentially the same as the BD Locking Quicksilver Biners, but those do not have the Keygate feature. Also, I would point out that this is a relatively small locking-biner. I only use it for setting up anchors (e.g., clipping bolts for top-rop set-ups) or as a locker on the end of my personal anchor system. It is definitely too small to use as a belay locker, and I think Rocklocks or other larger locking biners work much better as master points (for running the rope through or for locking multiple webbing, etc into).

This biner is great, Its light, and safe. Personally i think its a bit small, i much prefer working with a larger carabiner like the Black Diamond Rocklock. But besides that id does everything its supposed to.

Great biner to use for anchors, or anything else you need a locker for. I wouldn't really use it to rappel or belay, that's where a good HMS comes in.

The do it all locker, in a good size and weight. Can't go wrong with BD for quality and performance. I'm using two of these on a pair of BD slings for sport cleaning and I have a couple more for assorted anchoring uses.

I have used this biner in pretty much every situation possible-on rock, in the rain, buried in the snow, in single digit temps. It has performed beautifully every time. I've never had the lock or gate freeze shut on me even when my friends biners are completely iced up. Add this to the light weight and you never need another locker!

very functional and smooth. all my buddies and i have this in our rack.

Got 6 of these for my Cordelette and slings for cleaning. The screwgate works smooth even when your pumped out trying to build an anchor. Like others have said its a bit to small for a belay device.

I really love these, they work well in pretty much every situation. Too small for a belay carabiner but I use mine for the "moving parts" of my anchors, and I also have one on my personal anchor system. It sure doesn't hurt that they happen to be the least expensive locking carabiner out there...

What does one need to say about a functional biner?! :) It's perfect for what it's used for. No complaints whatsoever.

Picked up a handful for these on the cheap when I first started climbing. They're still going strong and have excelled in any situation requiring a locking biner - however I've turned to using their Rocklock biner for belaying and master points, as it's much larger and more rounded, making for an easier time belaying the second off the anchor.

I don't climb, but I love carabiners for their ability to work for almost any situation in the backcountry. I purchased a positron to add some lockers to my collection and I am not dissapointed. Smooth, sleek, and just the right size, these biners will soon be my primary for bear hangs and the attachment of anything to a solid surface. BD rocks!

These 'biners are great. I have the majority of my lockers as the Positrons, with just a Vaporlock as a belay 'biner. They have a very smooth gate action, I have never had troubles with clipping. The gate screws easily and fast, and is never a problem for beat up or pumped hands to work. They are bomb proof strong, I use them to build top-rope anchors mostly, but also to secure a belay and I also keep one on my PAS permanently for cleaning. The size of the 'biner limits its uses a bit, just not really enough room for a doubled rope for the rappel. And if you belay on a tube, not the best I recommend the Vaporlock, but it's fine with a GriGri. I love to keylock nose, never snags on runners, and makes clipping to bolts easy. My partner has only 1 or 2 of these, and mostly uses a combo of the Quicksilver Screwgates, or a DMM keylock, and he tells me he prefers my Positrons.

As far as I can tell, the coloured ones I have, with the copper-brown anodized coating has 3 different coloured gates, yellow green, orange, and the same brown, just if anyone is interested.

Smooth action, the metal scratches a bit easily.

The Positron is a great locker for directional loads, making it perfect for anchors, hauling, personal anchor systems, etc. Cross loading has never been an issue for me thanks to it's shape. It has a nice smooth action and the lock is never difficult to use, even with bulky gloves on. It's also virtually snag free, and pretty lightweight for a locking carabiner.

What makes is so great, it's size and tight D shape, also makes it a really bad belay locker, and it doesn't take hitches well... but for almost everything else, these are my go to lockers. I tend to carry more lockers than most, but these being so light and reliable, there's no reason not to carry a few.

Iam a big fan of the key lock style biners, I keep getting any thing with a notch snaged of stuff. These are a bit small for belaying with but for anchors and clipping in to stuff these are one of the best I have foud. I use them for top rop anchors and belay station anchors and for my p.a.s. I recommended these any time.

I love this biner. The key lock style makes it fast cliping and un-cliping from anchors. I use these on top anchors and my daisy cahins. they do not snag like the standard biners with the hook on them. I recomend these any day.

Quick screw gates on these! I stand behind Black Diamond gear.

A very samll and light carabiner. I have 3 or 4 and love to have them on my trad rack for building anchors. But not the greatest for using with the rope, like rappeling or belaying. (its possible though)

I keep one of these permanently attached to my PAS (Metolius' version of a daisy chain) and use it frequently. The keylock gate is extremely helpful when things get messy at the anchor. This also works great when building anchors.

Hard to improve on these guys.

We use these to hook up our belay devices at the climbing gym. Nice and small, sturdy, and the perfect size for a single rope. The lock mechanism works smoothly too!

best small locker i've used. i keep two on my Metolius PAS. at least 4 on my trad rack. if you need a locker, you can't go wrong with this one.

These are great light weight biners that are not too pricey, perfect for everything you need a small locker for.

If you're looking for strength and quality....look no further....hands down the shizzle for your rack.

Got a few of these for my PAS and anchors in general and they are great. Easy screw action, keylock is great and they are light as a feather (for a locker that is). I picked up a few of the Quicksilver lockers as well and you can tell the better quality. They are a little pricer than other options, but I have been happy with mine.

Great carabiner for a decent price. The keylock feature is pretty nice, as it never snags. It seems to be pretty light and well built.

Smooth biner! Very safe and strong with the screw lock!

Excellent COMPACT locker for anywhere you need to use one! I stress compact because the size is perfect to keep a few onhand and ready.

the Black Diamond Positron Screwgate Carabiner is a biner that i can trust with my life. it is simple but also a strong biner. AND light-weight.

I got these to replace my BD Quicksilvers for tethering at anchors. I am no longer engaged in all out hand-to-hand combat with the setup when I am ready to unclip and rappel down or be lowered now that I don't have an evil little notch catching on everything. If you like your Quicksilvers, but don't like the way they catch, this is your biner!

perfect for anchors (as others have said already), for your rappel autoblock, etc... keylock nose is the number one feature - no snagging is just beautiful!! ...and so it the mocha finish

A good choice if you want a locker that is small. Keylocks are the only type of carabiner I buy anymore, not having the nose snag on things is great.

the perfect size for clipping into a bolt hanger at a fixed belay or any other anchor system...could be lighter but still the perfect size

A great biner if you're looking for something which is lightweight but not miniature and something which is sturdy but doesn't weigh almost as much as your harness. It's nose ensures that nothing ever gets caught, allowing clipping and unclipping.

Perfect for rigging and any need that this small but trusty carabiner can fill.

Excellent for boating towables (rope connection to boat). Quick, easy, strong, safe...love it!

A good biner, easy to use for clipping in to a belay device or station.

I really like this ‘biner. And the reason I like it so much is that it is about half the size of my other locking ‘biners. I use it on my GriGri, and it works great, but it’s probably too small for a BD when you are using two ropes.

Nice, compact ‘biner with screwgate locking and keylock design. About the same size as a regular positron ‘biner. Perfect if you want a less bulky or lighter ‘biner that can still screw closed. Also, keylock makes it harder to snag on ropes, pro, etc. Another solid ‘biner from Black Diamond.

A very fine piece of climbing equipment. The only regret I have after five days of climbing out in the glacier is that I only took two of the 'biners with me. Should've had at least six...

It is what it is. A locking carabiner with a keyhole that won't snag on anything. Good bang for the buck.

Does the trick, just big enough to use it to belay if you needed to. Solid and versatile smaller locking biner.

This is a must have for your daisy chain due to the smooth mouth. It is a solid carabiner with the easiest maneuverability of anything I have seen. Quit wasting valuable time and energy at the top trying to clip into the anchors.

The perfect all purpose size, smooth locking and keylock noise!!! Nuff said.

I love the key lock unfortunately most of my biners don't have the feature. Save yourself some grief and spend the extra to get the keylock. I keep 2 extra of these with my climbing stuff at all times.

My go to biner when I don't need an HMS specific biner. It's affordable and consistent in work usage.

When it comes to locking carabiners any climber knows they're your bread and butter when it comes to building anchors, and having a keylock nose 'biner really improves efficiency. Having a small Keylock nose for clipping pieces of webbing or sharper bolt hangers is the absolute best. This 'biner is a staple on my rack, and I'm trying to convert my friends.

ease of clipping + zero snags/light and strong = Awesome Locking Carabiner!