【High-quality material】 304 stainless steel makes it sturdy, rust-proof, wear-resistant, and corrosion-resistant with a very stable structure. 【360-degree rotating ring】 2 pieces M25 single pulley blocks with smooth swivel wheel, 360-degree rotation to prevent ropes/cables/wires from tangling, making it easier to use. 【Small size, large capacity】 Stainless steel wheel: 0.98''/25 mm x 0.43''/11 mm (D x W), eyelet diameter: 15 mm/0.59 inch, total height: 85 mm/3.35 inch. Maximum load capacity: 150 kg (331 lbs). Flexible sliding pulley with high load capacity. 【For indoor and outdoor use】Use with rope or cable for flexible sliding pulleys indoors and outdoors. Easy installation for large kayaks, canoes, factories, construction, marine, mining, and home use. Perfect for garages, machine loading, tents, clotheslines, dog pulley systems, etc. 【Scope of delivery】2 x M25 single pulleys Note: Other items are not included. The color is based on the first picture; the other pictures only show