color name: Blue
The coupling is great for connect your motor of 5mm to 8mm shaft to the wheel. -Can be used in electric car toy, robot, etc. .
Product name: coupling joint
material: Aluminum alloy
Size: 22mm x 16mm/0.87 x 0.63 inch (L*D)
Type: 5mm to 8mm
Side thread diameter: 3mm/0.12 inch
Package Content:
2 x Motor Wheel Coupling
8 x Tight Screws
2 x Hex Key Wrench
