Specification Brand : Garosa BulletPoint1 : [Easy rotation] - The pattern design makes it easier to rotate the knob for locking the shaft or steel wire. BulletPoint2 : [- plating] - The appearance plating process prevents and scratches, ensuring a long-lasting use. BulletPoint3 : [Precise size options] - Comes with 10 pcs shaft collars with different inner and outer diameter options to meet your quantity needs. BulletPoint4 : [Secure fixation] - Use the shaft collar to block the position of the wheel, preventing it from running off or detaching, providing a secure and fixed role. BulletPoint5 : [ and reusable] - Made of carbon steel hex fixed buckle, this shaft collar can be used repeatedly without breaking. Color : Blackx2pcs ItemName : Shaft Collar with Electroplate Ferronickel, 10 Pcs Set for Blocking Position, Carbon Steel Hex Fixed Buckle, (Latte 4.1mm) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 6 centimeters ItemPackageDimensions_Width : 5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : clamp-on-shaft-collars Manufacturer : Garosa Material : Alloy Steel ModelName : Garosa8tz312ckpd-11 ModelNumber : Garosa8tz312ckpd-11 NumberOfItems : 1 PartNumber : Garosa8tz312ckpd-11 ProductDescription : Spec: