The Vitrex Grout Out Grout Removal Tool has variable speed for precision grout removing. It has a 3 speed pneumatic action which powers through old and discoloured grouts. It has interchangeable grout removing tips and a 2.5m power cable allowing a greater working area. Specification Input Power: 13 watt. Max Stroke: 6,000 strokes per minute. Bit Diameter: 3.2mm. Replacement Tip Set Available (VITGOT002).