Specification Brand : ANGGREK BulletPoint1 : 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. 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 : WIDE APPLICATIONS: The shaft connectors are widely used in motor, hardware, and mechanical transmission. BulletPoint5 : EASY TO INSTALL: Additional set screws will save you the trouble of drilling additional holes and make it safer. Color : Silver ItemName : Shaft Coupling, Brass Shaft Coupler Anti for Mechanical Transmission ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 6 centimeters ItemPackageDimensions_Width : 5 centimeters ItemTypeKeyword : set-screw-couplings Manufacturer : ANGGREK Material : Iron ModelNumber : ANGGREK1rqkcz6mgd NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : ANGGREK1rqkcz6mgd 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.