Single Pulley Zinc 2 x 4-In.

3221bc, 2″ x 4″, zinc, single pulley, designed for use with rope or cord in indoor & outdoor applications, for easy hooking over 1 1/2″ dimensional lumber 2″ x 4″, 2″ x 6″, etc., secure with 8d nails or 5 round head screws not provided, life lube alloy bearing, die-cast sheave, steel body & axle.