This is a transfer shaft, connecting rod. Polishing wheel tool extension adapter/tool handle extension for electric drill and Angle . Hand electric drill , table installation of various polishing wheel connecting shaft. It can be connected with grinding wheel, all kinds of cloth wheel, wool wheel, fiber wheel, etc. Features - Color: Black. - Material: Steel + Iron. - Size: 9.00X1.50X1.50 cm/ 3.54X0.59X0.59 inch. - Made from premium and thick material, it is practical and durable. - The bowl design is fixing the polishing wheel/wire wheel, non-slip. - The conversion rod is made of solid steel, and two wide pressure plates are fixed on both sides of the polishing wheel, which are tightened by screws. - Can be connected with the inner diameter of the hole above 8mm polishing wheel, can be connected with grinding wheel, fiber wheel, wool wheel, cloth wheel. - Connecting rod sets solve all polishing wheel connection problems. Package list: 2 Sets x Connecting Rods