Description Premium Material304 stainless steel makes it sturdy, rust-proof, wear-resistant and corrosion-resistant with heavy-duty structure. 360 Degree Swivel Ring2 pieces M25 Single Pulley Block with the smooth rotating wheel, 360 degree rotation to prevent the rope or cable or wire from knotting for your convenient use. Small Size Big CapacityStainless steel wheel: 0.98' or 25mm x 0.43' or 11mm (D x W), eye diameter: 15mm or 0.59", total height: 85mm or 3, 35". Maximum loading capacity: 150 kg (331 lbs). Flexible sliding pulley with high load capacity. For indoor and outdoorUsable with indoor and outdoor rope or cord for flexible sliding pulley. Easy installation for large kayaks, canoes, factories, construction, shipping, 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 things, 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. THANKS!