Description: - 【Package】Grinding wheel shaft are included, including 5mm/6mm/8mm/10mm/12mm/14mm/16(Optional), Measure your motor rod before purchasing. - 【Application】Polishing wheel adapter can be connected to the polishing wheel with an inner diameter of more than 10mm(as you choose), and it can be connected to the grinding wheel, fiber wheel, wheel, and cloth wheel. - 【Material】Motor spindle adapter is made of steel, and two wide pressure plates are both sides of the polishing wheel, which are tightened screws. - 【Function】The Motor Arbor Adapter kits is used to convert the motor spindle extension shaft to a threaded shaft polisher, or the grinder extension shaft to a threaded shaft polisher. - 【Advantages】This Polishing Connecting Rod can turn your motor into a grinder and polisher.Specification: - Material: SteelSize Chart:OptionalInner hole:0.5cm/0.20inchInner hole:0.6cm/0.24inchInner hole:0.8cm/0.31inchInner hole:1cm/0.39inchInner hole:1.2cm/0.47inchInner hole:1.4cm/0.55inchInner hole:1.6cm/0.63inchPackage Includes:1 Polishing Connecting RodNote:Please allow slightly errors due to manual measurement and different monitors.