These ascenders are intuitive, color coded, and light - they work well.
My only qualm is that it feels more difficult to open the rope-grabbing mechanism than I think it could be. In a way, that is a sort of built in safety that prevents someone from accidentally opening it, but I still think it could stand to open more easily for one handed operation.
This review was written in the old system and had content requirements that are different than reviews written today.