Enhance the operability of the machine and deal with problems easily Suitable for polishing pads, drill , cutting discs, saw blades, polishing machines, etc. 5/8inch-11 THREADED SHAFT: The internal and external threads of the grinder extension connecting rod are 5/8inch and are suitable for all 5/8inch-11 polishers and grinders. FITS SMALL AREA: The grinder extension shaft has a length of 3.15in (80mm), with an actual added length of 2.48in (63mm). to easily handle crevices or areas. STRONG AND STABLE: The grinder extension shaft is made of Metal with stable and durable precision threads. 20mm diameter makes the rotational speed constant and , avoiding unnecessary vibration during work. EASY TO USE: Notches on both sides of the grinder extension connecting rod for easy removal with a wrench WIDELY USED: The grinder extension connecting rod can be used with various grinding heads, grinding wheels, grinding discs, saw blades, mold openers, etc. Colour:Photo Color Material:Metal Package Contents: 5 x M10 Drill Connecting Rod Adapter 5 x 5/8inch-11 Thread Grinder Extension Connecting Rod Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.