Specification Brand : Sinoblu BulletPoint1 : Size:Diameter 25mm Length 30mm.Bore 9 to 12.7mm BulletPoint2 : Material:Using Aviation Aluminum with corrosion resistance High Hardness, High Precision, anodized, imported polyurethane, internal control accuracy H41, plug gauge full inspection,Longer Service Life BulletPoint3 : Super Torque:Can Absorb Vibration, Appropriate a Large Torque Transmission.High Hardness,Durable,and Excellent Response,Not Easy to Loosen BulletPoint4 : Vibration-damping:Flexible Spider Couplings Offset Angular, Radial and Axial Shaft Displacement Within Defined Ranges. The Elastomer Dampens Shock and Torsional Vibrations in The Drive Train BulletPoint5 : Wide Range of Usage: Flexible Shaft Coupling is Suitable to Offset Axial, Radial and Angular Displacements and Dampen Vibrations and Torque Shocks for 3D Printer DIY Encoder CNC Router Machine Servo Stepped Motor and Engraving Drilling Milling Machine ExteriorFinish : Aluminum ExternallyAssignedProductIdentifier : 6259851291820 ItemName : Sinoblu GFC Aluminum Alloy Shaft Coupling Bore 9mm to 12.7mm D25mm L30mm Plummer Coupling Star Module Servo Motor Flexible High Torque Coupling Encoder Aluminum Coupling ItemPackageDimensions_Height : 0.59 inches ItemPackageDimensions_Length : 3.15 inches ItemPackageDimensions_Width : 2.36 inches ItemPackageQuantity : 2 ItemTypeKeyword : spider-couplings Manufacturer : Sinoblu Material : aluminum_6061 Material1 : Aluminum Material2 : Polyurethane MetalType : Aluminum MetalType1 : Aluminum MetalType2 : Carbon Steel MetalType3 : Copper MetalType4 : Iron ModelNumber : CFC-30x40-10x15 NumberOfItems : 1 PackageLevel : unit PartNumber : GND-AMH25300912.7 ProductDescription : 1.Aluminum alloy 2.Used for shaft fixing and positioning, linear slide stop and locking the rod shaft end 3.Easily installed where major disassembly would otherwise be required 4.High quality aluminum alloy material, lightweight, surface oxidation resistant and corrosion resistant, durable and strong 5.Main Color: Silver, Red 6.If you have any questions, please contact us promptly, we will reply you within 24 hours ProductSiteLaunchDate : 2023-07-05T09:51:16.893Z Size : 9mm to 12.7mm Style : D25 L30 SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 31161700