General description These 20PCS Stainless Steel M25 Pulley Blocks are designed for various lifting and towing applications. Made from high-quality stainless steel, they offer exceptional hardness, corrosion resistance, and durability. The pulleys feature a fixed top for easy rope handling and a smooth roller that allows for unhindered rope traversing. Technical specifications Material: Stainless steel Color: Silver Size: 25mm Package Contents: 20 PCS x Pulleys Measurement allowed error: +/- 1-3 cm Usage Suitable for large kayaks and canoes Ideal for factories and construction sites Applicable in shipping and mining Useful for household tasks, garage work, and machine loading Can be used for curtain and clothesline systems Perfect for dog pulley systems