Combination Swivel wire holder / Sheave For Altec® Trucks with 3″ Diameter Jib. Eliminates changeovers from wire holder (for picking up a phase conductor) to Rope Sheave (for lifting items). Unit attaches directly to jib. Rated working load: wire holder – 300lbs. Sheave – 8oolbs. Features a large swivel-type roller wire holder with 2-1/2″ x 3-3/8″ opening and a 7″ dia. sheave to accept up to 3/4″ dia. rope.