Specifications:Product Name Motor Shaft Coupler Material Aluminium Inner Diameter 5mm / 1/5", 8mm / 5/16"Total Size 20 x 25mm / 0.8" x 1"(D*H) Color Silver Tone Weight 18g Pacakage Content 1 x Motor Shaft Coupler Description:Made from aluminium to reduce inertia.The CNC motor shaft coupler provides an extremely tight grip without marring the shaft.The coupler also includes grub screws for shaft flats.
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