Description pieces M25 single pulley block with the smoothly rotating wheel, 360 degree rotation to prevent the rope/cable/wire from being knotted for your convenient use. Small Size Large CapacityStainless steel wheel: 0.98'/25mm x 0.43'/11mm (D x W), eye diameter: 15mm/0.59", total height: 85mm/3.35". Maximum load capacity: 150kg (331lbs). Flexible sliding pulley with high load capacity. For Indoor and OutdoorUsed with indoor and outdoor rope or cord for flexible sliding pulley. Easy installation for large kayaks, canoes, factories, construction, marine, mining, household. Perfect for garage, machine loading, curtain, clothesline, dog pulley system, etc. Package Included2pcs x M25 Single Pulley Block Note: This does not include other items, the color is based on the first picture, and other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. THANK YOU!