1/2″ Sheave Diameter, 1/2″ Overall Width 1-1/8″ Overall Height, I.D. Eye 3/16″ Max. Rope Size 3/16″, Swl 15 Lbs. Boxed Fixed Single Pulleys For indoor/outdoor use with rope or cord Highly resistant to rust & corrosion Sheave rolls smoothly Can be rigged as a block & tackle Nickel Finish Die cast body with brass sheave Do NOT use for overhead lifting, support of human weight, athletic or playground equipment When safety is involved, CONSULT MANUFACTURER. Inspect frequently !