Connection Bore Diameter: 4mm to 5mm,Total Length: 25mm/0.98 inch,Outside Diameter: 19mm/0.75 inch,Material: Aluminum Alloy,Color: Blue,Package Content:1Pcs x Rigid Shaft Coupler with 4Pcs Screws. Widely used in moment axis connection of motors, encoder blowers, 3D printers, DIY robots, CNC machine tools, etc. Spring-type design, with buffering effect, the coupling acts on the deviation between diameters, angles and shafts. NOTE: Pay attention to the size and model of the coupling The elastic coupling is made of high-strength aluminum alloy material, integrated structure, light weight and durable. Description:
Made of high-strength aluminum alloy material, integrated structure
Couplings act on diameter, angle, and shaft deviations
Spring-loaded design with cushioning effect
Suitable for connecting small torque shafts such as motors and encoders

Specification:
Connection Bore Diameter: 4mm to 5mm
Total Length: 25mm/0.98 inch
Outside Diameter: 19mm/0.75 inch
Material: Aluminum Alloy
Color: Blue

Package Content:
1Pcs x Rigid Shaft Coupler with 4Pcs Screws