Specification Brand : Sinoblu BulletPoint1 : Size:D25mm x L30mm/0.98inch x 1.18inch, Bore Diameter: 12.7mm to 12.7mm / 0.50inch to 0.50inch BulletPoint2 : Material: Made of aluminium alloy material, light, anti-oxidant, and anti-corrosive, delicate CNC cut with outstanding appearance, high precision fine workmanship,long service life BulletPoint3 : Feature: Screw Type(Coiling Clamping),They are not easy to loosen,Main Color: Silver tone BulletPoint4 : Function: Provides torque transmision and alignment, Cost effective coupling design BulletPoint5 : Widely Used: Used for transmit motion and widely used in DIY model such as small CNC machines, 3d printer Z shaft coupling , car or boat etc. as connector for different parts as joint connector ItemName : Sinoblu Shaft Coupler Connector D25 x L30 12.7mm to 12.7mm Bore Rigid Coupling Stainless Steel Rigid Couplings for 3D Printers ItemPackageDimensions_Height : 15.2 centimeters ItemPackageDimensions_Length : 2.5 centimeters ItemPackageDimensions_Width : 13.4 centimeters ItemTypeKeyword : set-screw-couplings Manufacturer : Sinoblu Material : Aluminum ModelNumber : TK3456C!FBAFUUS!T6!A NumberOfItems : 1 PartNumber : HC-JL-GX-2530-12.7-12.7 ProductDescription : 8mm to 12mm Shaft Coupling 45mm Length 32mm Diameter Coupler Aluminum Alloy Joint Motor for 3D Printer CNC Machine DIY Encoder ProductSiteLaunchDate : 2024-03-27T01:05:14.158Z Size : 12.7mm to 12.7mm Style : Modern SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : unknown SupplierDeclaredDgHzRegulation2 : unknown SupplierDeclaredDgHzRegulation3 : unknown SupplierDeclaredDgHzRegulation4 : unknown SupplierDeclaredDgHzRegulation5 : unknown UnspscCode : 31161700