Reap the benefits of grinding your own tooling with this heavy-duty tool grinder a 1/2 hip 110v single-phase reversible tic motor turns at 3450 rpm * A 1/2 hip 110v single-phase reversible tic motor turns at 3450 rpm * Dual 6-Inch silicon carbide grinding wheels have 0 to 45° tilting cast iron tables and removable drip trays