4pcs M50 Single Pulley Snatch Block 304 Stainless Steel Lifting Crane Heavy Duty Swivel Hook 882 lbs Load

M50 Size: Runner Diameter: 50mm/1.97inch; Wheel Width: 15mm/0.59; Rotating Ring Width: 20mm/0.79; Total Length: 130mm/5.1inch; Max Load: 400kg/882lbs. 304 Stainless Steel: Made of high-quality 304 stainless steel, which provides excellent resistance to corrosion, rust, and wear, making it suitable for both indoor and outdoor applications. 360 Degrees Swivel Ring: Single pulley with smooth turning wheel, rotation to prevent rope/cable/wire from knotting for your convenient use. Double Bearing Design: The pulley is equipped with two bearings, which greatly reduces the friction force, and makes the pulley rotate more smoothly, quietly without jamming. Widely Application: You can use it in various environments. Workable with rope or cord indoor and outdoor for flexible sliding pulley. Perfect for garage, machine loading, curtain, clothes line, dog pulley system etc.