Quality 2 Long Grinder Arbor Shaft Extender Extension 5 8 x 11 Thread Threaded Extend Breathable

Grinder Arbor extension adapter made of Steel, for use on grinders that have 5/8"-11 threaded shaft

High-grip grooved outer casing provides extra grip for high torque tightening

Flattened end design allows for wrench tightening when hand tightening just isn't enough

Thick steel adapter won't bend or break giving you the rigidity you need

Features: 5/8"-11 thread extension Heavy Duty steel giving you extra rigidity High Grip texture for extra tightness capability Easily tightened with wrenches