CMI Full Shear Reduction Block climbing rescue system The 4 is there because

The 4 is there because any hand hold can be used 4 different ways

The CMI Half Shear Reduction Block's revolutionary half-sheave design creates a lighter block that attaches parallel to a cable

straightforward explanation of the processing theory that coincides with the original use of Chiji Cards

lightweight non-locking carabiner

load release hitch

CMI Full Shear Reduction Block climbing rescue system The 4 is there becauseThe CMI Full Shear Reduction Block has stainless steel sideplates, 3 aluminum sheave, bushing, and stainless steel axle. Sheave locking bolt allows the sheave to be reversed, extending the useful life. Features Stainless steel sideplates. 3" aluminum hard coated sheave. Bushing. Stainless steel axle. Sheave locking bolt allows the sheave to be reversed, extending the useful life. Rope capacity: 1 2" Weight: 1. 65 lbs. Size: 7. 25" X 4. 75" Minimum