Iyowei 2Pcs M20 Single Pulley Block + 2Pcs V-shaped Wheel Rail, 304 Stainless Cable Steel Pulley Roller Crane Swivel Hook Gate Roller Rigid Track Castor for Ropes, Load Capacity 75 KG

360° Swivel Pulley Roller: Single pulley is used to suspend heavy objects to reduce the load, made of 304 stainless steel with 360 degree swivel top ring, prevent knots in the rope, sturdy and durable. High Load Gate Roller: V-shaped wheel rail is suitable for heavy sliding gates, made of steel material, good sliding performance, sturdy and stable, more safety. Smooth operation to reduce vibration and make no noise. Good Loading Capacity: Cable pulley roller with a load capacity of up to 75 kg, rigid track castor can bear 200kg, the diameters are 20mm and 40mm respectively. Different pulleys withstand gravity are suitable for different scenarios. Wide Application: Crane swivel hook can an be used for indoor and outdoor ropes, garages, machine loading, sling systems, etc., suitable for large factories, homes. Rigid track castor is great for rolling gate, sliding door, factory gate, drive way door, dog gate. Value Package: You will get 2 pieces M20 single pulley and 2 pieces high load gate roller, meet all your needs, provide you with convenience in daily life and work.