Specification AgeRangeDescription : adult Brand : NURII BulletPoint1 : Small, lightweight and highly reliable pulleys BulletPoint2 : Material: Aluminium alloy BulletPoint3 : Widely used: Widely used in milling machine, gear shaping machine, gear hobbing machine or other mechanical transmission occasions. BulletPoint4 : The synchronous belt pulley is in contact with the tooth surface, which minimises the possibility of the synchronous belt slipping; the inner bore tooth surface is precise, with less runout and more stability. BulletPoint5 : Colours may vary slightly due to differences in monitors and the conditions under which the photos were taken. Color : One Color ExternallyAssignedProductIdentifier : 7322345695516 ItemName : 10PCS 6 * 39 * 8mm Shift Door Pulley, Concave Wheel U Groove, Wire Rope Over Line Wheel, Plastic Nylon Bearing Roller ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : v-grooved-wheels Manufacturer : NURII Material : Aluminum ModelName : NURII ModelNumber : NURII NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : NURII ProductDescription : Material: nylon Load-bearing: 127kg Net weight:32.1g Bearings: Non standard ProductSiteLaunchDate : 2023-11-13T07:49:41.348Z Size : One Size UnitCount : 1