Specification Brand : VBESTLIFE BulletPoint : 50pcs=1lots Elevator door roller rope pulley heavy wheel steel rope eccentric concentric 48x14x12 BulletPoint1 : LABOR SAVING SUSPENSION: You will receive 2 M50 double pulley blocks, for hanging heavy loads to reduce load and save effort BulletPoint2 : 400KG LOAD: The maximum load capacity of each pulley is 400kg, suitable for rope, cable and wire with diameter up to 12mm BulletPoint3 : WEAR RESISTANT MATERIAL: Rotary block is made of reliable 304 stainless steel, , resistant, wear resistant, suitable for use with ropes in both indoor and outdoor applications BulletPoint4 : ROTARY DESIGN: The block wheel is designed with a swivel ring at the top to rotate 360 degrees. The smooth rolling roller provides excellent line without quivering or rope knotting or clogging BulletPoint5 : WIDE APPLICATION: Traction pulleys are widely used in rope or other tool suspension traction applications such as rope lifting, tent tightening, DIY home projects, dog pulley systems, object handling, clotheslines, machine loading, cranes, industrial lifting and other fields Color : V Type ExternallyAssignedProductIdentifier : 7626930677407 ItemName : M50 Double Pulley Block, Stainless Steel Wire Rope Crane Double Pulley Block Heavy Duty Double Wheel Swivel Pulley Block for Lifting, Cable Loading 400kg/881lb ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 11 centimeters ItemTypeKeyword : shell-blocks Manufacturer : VBESTLIFE Material : Steel ModelNumber : VBESTLIFEacmbhg3or1 NumberOfItems : 1 PartNumber : VBESTLIFEacmbhg3or1 ProductDescription : Specification: Item Type: Lifting Double Pulley Block Material: Stainless steel Single Load Bearing: 400 kg / 881.8 lb(approx.) Specification: M50 Type: U type