Specification Brand : TA-VIGOR BulletPoint1 : 【Size&Package】Bore Diameter: 6mm to 8mm, Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch, Through Angle: 180 Degree; Package includes: 2 x rigid shaft coupler, 8 x screws BulletPoint2 : 【Excellent Performance】6mm to 8mm shaft coupler is made of aluminum alloy to reduce inertia, has high torque with rigidity, low inertia, and excellent sensitivity. No rotation gap and elastic action can make up for symmetrical angular misalignment. BulletPoint3 : 【Durable Aluminum Material】Bore rigid shaft coupling is oil proof, corrosion-resistant, corrosion-resistant, and does not rust, having a long service life. BulletPoint4 : 【Wide Applications】The 6mm to 8mm rigid shaft coupler is used to hold bearings and sprockets tightly on the shaft to ensure the normal operation of the machine. Widely used in blowers, 3D printer, DIY robots, CNC machine, stepper motors, mechanical drive situations, etc. BulletPoint5 : Inside Diameter Size:3mm/5mm/6mm/8mm/10mm(Optional);Pack of 5;Color:Silver Color : Blue ExteriorFinish : Aluminum ExternallyAssignedProductIdentifier1 : 723258638022 ExternallyAssignedProductIdentifier2 : 0723258638022 FinishType : Silver IncludedComponents : No ItemName : TA-VIGOR 2pcs 6mm to 8mm Shaft Coupling Set Screw, L25x D14 Bore Rigid Shaft Coupler Joint Connector Aluminum Alloy for 3D Printer,DIY Robots, CNC Machine,Motor Accessories, Blue ItemPackageDimensions_Height : 13.6 centimeters ItemPackageDimensions_Length : 1.5 centimeters ItemPackageDimensions_Width : 7.4 centimeters ItemTypeKeyword : set-screw-couplings Manufacturer : TA-VIGOR Material : Aluminum Material1 : Aluminum Material2 : Copper MetalType : Aluminum MetalType1 : Stainless Steel MetalType2 : Alloy Steel MetalType3 : Brass ModelName : Genericzhb0dv2t7r ModelNumber : couplings NumberOfItems : 2 PartNumber : couplings ProductDescription : 6mm to 8mm Bore Rigid Coupling Set L25XD14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Blue,2pcs ProductSiteLaunchDate : 2023-02-23T09:03:08.469Z Size : 6mm to 8mm, D14xL25 Style : Modern SupplierDeclaredDgHzRegulation : not_applicable