Specification Brand : WBTY BulletPoint : 2Kong-48mm-Pulley-Nut-201 - 2pcs BulletPoint1 : Stainless Steel Material: This M20 double pulley block wheel is made of 304 stainless steel and resistant to wear, tear, strong and durable. BulletPoint2 : Effort Saving: Our double pull block roller is ideal for hanging heavy objects to lighten the load and save effort. BulletPoint3 : 2Pcs in Total: This double pulley block kit is 2pcs in total and this amount is enough for your daily use need. Suitable for rope lifting, tent tightening, home projects, object handling, clothesline, industrial lifting, etc. BulletPoint4 : 75KG Load Bearing: Single pulley of this double pulley block kit is with a load capacity of 75kg or 165lb. Suitable for ropes, cables and wires with diameter less than 6mm(0.24in). BulletPoint5 : 360° Rotating: Double pulley block is designed with rotating ring, can rotate 360° and no knotting or rope clogging. Color : Assorted Color IncludedComponents : pulley ItemName : 2pcs M20 Double Pulley Block 360° Spin Freely 304 Stainless Steel Double Pulley Wheel Roller Strong for Block and Tackle Pulley System Used to Kayaks Load: 75kg ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 5 centimeters ItemPackageQuantity : 2 ItemTypeKeyword : shell-blocks snatch-blocks Manufacturer : WBTY Material : steel ModelName : ZJchao3gt25fd7rc ModelNumber : WBTYr0yko4n6et NumberOfBoxes : 1 NumberOfItems : 2 NumberOfLithiumMetalCells : 1 PartNumber : WBTYr0yko4n6et ProductDescription : Specification: Item Type: Double Pulley Block Material: Stainless Steel Single Load Bearing Capacity: Approx. 75kg / 165lb Specification: M20 Type: U Type