Black&Decker - KR704RE Impact Drill 13mm 710w Features More powerful (710-watts) for heavy duty drilling; at home/costruction Versatile: the impact - for bricks, drill - for drilling and screw wood screws, Reversible - for drilling and screw wood screws 13mm, high quality chuck can use the maximum 1.5 to 13 mm bits and attachments; Easily adjustable speed control start, and particularly suitable for screwing Reversible switch to control the direction of rotation; Lock-on switch, the operation more comfortable; 17 tooth clutch, use more secure;