They are light. Sometimes a little bit tricky to place ("little bit" are keywords here). Easy to clean.
Pair them with CAMP Nano 23 rack pack (gray for #00, purple for #0, blue for #1, yellow for #2, and red for #4, and save the green for smthng else) and one orange CAMP Nano 23 binner for #3 to get a light color coded rack from .4" to 1.25". Add Metolius Ultralight Powercam set #5-#8 to build an ultralight rack to protect up to 2.5" cracks.