【Premium Material】304 stainless steel makes it sturdy, rust-proof, wear-resistant, and corrosion-resistant with a very strong structure. 【360 Degree Swivel Ring】2pcs M25 Single Pulley Block with smoothly rotating wheel, 360-degree rotation to prevent rope/cable/wire from tangling for your convenience. 【Small Size Large Capacity】Stainless 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 & Outdoor】Use with indoor and outdoor rope or cord for flexible sliding pulley. Easy installation for large kayaks, canoes, factories, construction, shipping, mining, household. Perfect for garages, machine loading, curtains, clotheslines, dog lift systems, etc. 【Package Includes】2pcs x M25 Single Pulley Block Note: This does not include other items, the color is based on the first picture and the 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 the deviation. Thank you!