Specification Brand : ZIZEV BulletPoint1 : WIDE APPLICATIONS: The shaft connectors are widely used in motor, hardware, and mechanical transmission. BulletPoint2 : ANTI DEFORMATION: The edges of these couplings are clean and smoothly, have been perfectly processed, and are not easy to deform under pressure. BulletPoint3 : BRASS MATERIAL: The bore couplings are made from premium brass material, which are , increase the durability. BulletPoint4 : SIZE SPECIFICATIONS: The set contains 5 pcs shaft couplings, with the length of 22mm, the outer diameter of 14mm, the inner diameter of 5mm to 8mm and side aperture of 4mm. BulletPoint5 : EASY TO INSTALL: Additional set screws will save you the trouble of drilling additional holes and make it safer. IncludedComponents : No ItemName : Shaft Coupling, 5-8mm ID Brass Shaft Coupler for Hardware ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 6 centimeters ItemPackageDimensions_Width : 5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : set-screw-couplings Manufacturer : ZIZEV Material : Stainless Steel ModelName : ZIZEVdr10xcvnt4 ModelNumber : ZIZEVdr10xcvnt4 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : ZIZEVdr10xcvnt4 ProductDescription : 1. SIZE SPECIFICATIONS: The set contains 5 pcs shaft couplings, with the length of 22mm, the outer diameter of 14mm, the inner diameter of 5mm to 8mm and side aperture of 4mm. 2. BRASS MATERIAL: The bore couplings are made from premium brass material, which are , increase the durability. 3. ANTI DEFORMATION: The edges of these couplings are clean and smoothly, have been perfectly processed, and are not easy to deform under pressure. 4. EASY TO INSTALL: Additional set screws will save you the trouble of drilling additional holes and make it safer. 5. WIDE APPLICATIONS: The shaft connectors are widely used in motor, hardware, and mechanical transmission.