General description Made of high-quality stainless steel, these 5PCS M25 Pulley Blocks are designed for durability and strength. They are corrosion and rust-resistant, ensuring a long-lasting performance. The solid structure features an anti-rust and wear-resistant design, making them suitable for various applications. Technical specifications Material: Stainless steel Color: Silver Size: 25mm Package Contents: 10 PCS pulleys Measurement allowed error: +/- 1-3 cm Usage These pulleys are versatile and can be used in various settings, including: Large kayaks Canoes Factories Construction sites Shipping Mining Household tasks Garage operations Machine loading Curtains Clotheslines Dog pulley systems