Features Wide use: this pulley block is suitable for flat belts with a width of 3 to 12 mm and can be installed on various walls, wood and metal. Strong bearing: the thickened stainless steel wheel roller can hold up to 100 kg, is durable and easy to clean. Ultra quiet: double bearings can significantly reduce the friction force of the pulley, ensuring smooth and stable rotation with extremely low noise level. Anti-twist: the fixed roller prevents the rope from twisting and the smooth-running wheels ensure good movement of the rope. Multi-purpose: the pulley roller can be widely used for pulling wire ropes or other rope making tools, and is suitable for drying clothes, parasol sails, wood sheds, material transport and hanging plants. Specification: Item Type: Wheel Castor Material: stainless steel. Single load absorption: approx. 100 kg / 220.5 lb. Size: Mounting plate size: approx. 68 x 30 mm / 2.7 x 1.2 inches. Inner diameter of the pulley: approx. 33 mm / 1.3 inches. Outer diameter of the pulley: approx. 45 mm / 1.8 inches. Pulley width: approx. 20 mm / 0.8 inches. Height: approx. 59 mm / 2.3 inches. Mounting screw hole: approx. 7 mm / 0.3 inches. Package list: 2 x wheel castors. 8 x screws. 8 x screw anchors (random colour). Note: Please allow slight size errors due to manual measurement. Thank you for your understanding. Package List 2 x Wheel Pulley 8 x Screw 8 x Screw Anchor (Random Color)