DMM Revolver Screwgate Carabiner with Pulley Sheave saw How is it attached to

How is it attached to the boom

making it very secure — but slower to operate than autolock designs

Available in two sizes to cover both tree and pole climbing applications

Spring-loaded one-way cam — moves effortlessly up the rope

Insert: Steel

DMM Revolver Screwgate Carabiner with Pulley Sheave saw How is it attached toDMM 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.