1-1/2", Scissor Hook Single Pulley, Zinc Plated, For Use With Rope Or Cord, Indoor & Outdoor Applications, Zinc Die Cast Sheave, Life Lube Alloy Bearing, Scissor Hook For Easier Rigging & Secure Connection, Swivel Eye To Eliminate Tangling, Removable Axle & Sheave For Easier Rigging, Maximum Rope Size 3/8".