This 2-3/4 in. (70 mm) single roller block is designed to support fiber optic, self-support or small copper cables at poles.
Mounts on the 5/8 in. (15.88 mm) bolt of a 3 bolt clamp. Has a zinc-plated steel frame and retainer to keep the cable or 1/4 in. (6 mm) dia. poly rope in the block. Has a rating capacity of 50 lb. max. (22.6 kgs)