Micro Shaft Couplings - ID: 4/5/6/6.35/8mm
1 coupling per pack with 1 set screws and 1 mini hex wrench
Made of aluminum alloy, these couplings are very commonly used for micro DC motor output shaft converting or extension. This full line covers 12 different inner diameters.
OD: 14mm / L: 25mm / Screw - M4