Free Shipping 6PCS Hexagonal Brass Couplings Motor Propeller Shaft Connectors Coupler Joints Adapter 3/4/5/6/7/8mm Spare Parts
Overall length:18mm
Edge to edge distance:12mm
Inner hole diameter:3/4/5/6/7/8mm(optional)
Quantity:6pcs
Package include,
6x Hexagonal Couplings with mini wrench and screws