M25 single pulley block is brand new and high quality products. Material: 304 Stainless Steel Stainless Steel Wheel Specifications: length: 0.98''/25mm width: 0.43''/11mm Eye Dia: 0.59"/15mm Total Height: 3.35"/85mm Maximum loading capacity: 331lbs(150kg) Features: Pulley is maded of 304 stainless steel material for durable and long-lasting use. Durable, strong, reliable, waterproof, anti-rust, anti-high temperature, corrosion resistance. Pulley rotation cylinder head is solid, durable, 360 degrees rotation to prevent rope from knotting. It equips with heavy duty capacity with very practical design and super solid structure. Smooth sliding, easy installation and easy to use. Widely used: Workable with rope or cord indoor and outdoor for flexible sliding pulley. 304 stainless steel lifting pulley, traction pulley, crossing pulley, and are perfect for backpack, key ring, chains, ropes, camping, hiking, fishing, pet, indoor outdoor equipment gear, DIY accessories, fitness, hanging wheel, mountaineering and indoor outdoor fitness,etc. Package Included: 4Pcs M25 Single Pulley Block We are committed to providing you with quality products, your satisfaction is our everything.If you have any questions during the purchase or use, please feel free to contact us, we will provide you with the most professional and timely service.