• The coupling is great for connect your motor of 10mm shaft.
  • Material: Metal; Total Size: 16 x 34mm/0.63 x 1.34 inch (OD*L)
  • Bore Diameter: 10mm to 10mm (0.39 inch to 0.39 inch)
  • Cost effective coupling design. Provides torque transmision and alignment.
  • Product Contain: 1 x Universal Joint + 1 x Mini Hex Wrench + 5pcs Fastening Screw

Excellent product! Small and Compact, comes complete with set screws, and Allen wrench! Haven't used it yet to see about durability but I'm sure it will hold up fine. I'm going to use it for my snowblower chute crank handle.