Product Name : Swivel Eye Rope Pulley;Material : 304 Stainless Steel Type : Single Sheave;Swivel Eye Size (Approx) : 13.5 x 11mm/ 0.5" x 0.4" (Inside Width*T) Sheave Groove Width : 15mm/ 0.6";Sheave Diameter (Approx.) : 15mm/ 0.6" Total Size (Approx