Specification Brand : uxcell BulletPoint1 : Size: 1/2 inch bore rigid set screw coupling, with 1 inch outside diameter, 1-1/2 inch length. (4 set screws) BulletPoint2 : Material: This shaft coupling is constructed from carbon steel with a black oxide coating, which provides corrosion resistance and ensures durability and long-lasting performance. BulletPoint3 : Function: Shaft coupling is a type of coupling that connects two shafts together in order to transmit torque and rotational motion. Adopt set screw mechanism to ensure the shaft connection is firm and precise. BulletPoint4 : Easy to Install: With its simple design and included installation instructions, this shaft coupling can be easily installed without the need for special tools or professional assistance. BulletPoint5 : Wide Application: Whether you need to connect motors, pumps, generators, or other rotating equipment, this shaft coupling provides a reliable connection for efficient power transmission. Color : Black IncludedComponents : Shaft Coupling ItemName : uxcell Shaft Coupling, 1/2" Bore 1" OD 1-1/2" Length Black Oxide Plated Steel Rigid Coupling for 3D Printers Motor Wheel(4 Set Screws) ItemPackageDimensions_Height : 0.98 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 1 ItemTypeKeyword : set-screw-couplings Manufacturer : uxcell NumberOfItems : 1 PartNumber : a25030500ux2988 ProductDescription : Description: Material - This shaft coupling is constructed from carbon steel with a black oxide coating, which provides corrosion resistance and ensures durability and long-lasting performance. Function - Shaft coupling is a type of coupling that connects two shafts together in order to transmit torque and rotational motion. Adopt set screw mechanism to ensure the shaft connection is firm and precise. Easy to Install - With its simple design and included installation instructions, this shaft coupling can be easily installed without the need for special tools or professional assistance. Wide Application - Whether you need to connect motors, pumps, generators, or other rotating equipment, this shaft coupling provides a reliable connection for efficient power transmission.