Single sheave sheave in 304 stainless steel. Designed to hang things of weight to relieve clogging. Using gravity and slip to lift. Durable, strong, reliable, waterproof, anti-rust , anti-high temperature, corrosion resistance. Swivel top for easy rope handling, smooth roller offers great rope traversal. Description: 304 stainless steel single sheave Pulley Designed to hang things from weight to unclog Using gravity and slip to lift Durable, strong, reliable, waterproof, anti-rust, anti-high temperature, corrosion resistance swivel top for easy rope handling, smooth roller offers great rope traversal Size chart: Sheave size Dia. Width Max. Length Load M15 15mm 60mm 20 mm 35 kg M20 20 mm 68 mm 24 mm 75 kg M25 25 mm 80 mm 30 mm 150 kg M32 32mm 90mm 36mm 250 kg M50 50 mm 125mm 53mm 400 kg M75 75mm 155mm 65mm 750 kg M100 100mm 200mm 90mm 1000 kg 1 mm = 0.04 inch (approx) Package includes: < / b> 1 Single piece pulley sheave Note: The maximum load weight is a theoretical value, we can not guarantee the pulley can reach the maximum load, but these pulleys were standard made. Hope you can understand!