Specification Brand : SelWatty BulletPoint1 : Quality Material: These axle collars are made of electroplated nickel iron. They are durable, strong and wear-resistant. Better weldability and corrosion resistance than ordinary steel BulletPoint2 : Easy to Use: These collars are used to lock the axle and wire in place. When installing the wheel, use the wheel stops to lock the inner limits or periphery of the wheel to lock the wire or landing gear axle BulletPoint3 : High Value Package: The collar set includes 10 pieces of 4 different sizes of collars, which can meet your quantity needs, very practical in work and life, can bring you more convenience BulletPoint4 : Well-Made: Plated exterior, no rust or scratches, It will not run out of position when the wheel rotates. The patterned edges of the locking axle collars make it easier to turn the knob, which improves efficiency and saves time and labor BulletPoint5 : Long Service Life: Patterned edges make it easy to turn the knob. Carbon steel hexagonal fixing buckle, can be used repeatedly without breaking ExteriorFinish : Black Oxide ExternallyAssignedProductIdentifier : 7414020604880 ExternallyAssignedProductIdentifier1 : 0312350297055 ExternallyAssignedProductIdentifier2 : 312350297055 ItemName : SelWatty 10Pcs Shaft Collar, Electroplate Ferronickel Lock Ring, Carbon Steel Hex Fixed Buckle DIY Technology Making Pattern Edge 4.1/5.1/6.1/8.1mm(4.1mm) ItemPackageDimensions_Height : 0.39 inches ItemPackageDimensions_Length : 1.56 inches ItemPackageDimensions_Width : 1.17 inches ItemPackageQuantity : 1 ItemTypeKeyword : clamp-on-shaft-collars Manufacturer : SelWatty Material : Carbon Steel NumberOfItems : 2 PartNumber : SelWatty7vszofwu9k-11 ProductDescription : Specification: Item Type:Shaft Collar Material:Electroplate Ferronickel