SMC/RA 4" Double Pulley, Stainless Steel Side Plates NFPA-G Firebrigades & Civil Protection and keeps antenna upright for

and keeps antenna upright for optimum performance

Variable-friction descent control device for rescue systems and rappels

It also works in either precast concrete or steel flanges

Functions as both a lowering brake and as a ratcheting pulley for raising

SMC/RA 4" Double Pulley, Stainless Steel Side Plates NFPA-G Firebrigades & Civil Protection and keeps antenna upright forBased on Russ Anderson original design, these pulleys are essential equipment for the serious rigger. Rotating side plates allow attachment of the pulley anywhere on the rope and the 3" and 4" models will accept multiple carabiners. Axle nuts are marked with a blue witness line to indicate if the axle nut has been turned or tampered with. Specs Key Features: Stainless steel side plates