DMM Revolver Screwgate Carabiner with Pulley Sheave straps What is the difference between

What is the difference between this and the 4

000 lbs (9kN)

Need to store a chainsaw on the bucket

Outside: 16"L x 16"H x 16"W

Ultra-lightweight micro pulley — minimal pack weight

DMM Revolver Screwgate Carabiner with Pulley Sheave straps What is the difference betweenDMM Revolver Screwgate Carabiner Integrated Pulley Sheave The DMM Revolver is one of those pieces of hardware that quietly makes your rigging system more efficient every time you use it. The integrated pulley sheave at one end of the carabiner dramatically reduces rope friction compared to a standard carabiner redirect making it a go to choice for mechanical advantage systems, speed lines, and hauling setups where friction is the enemy of efficiency.