Manufactured using high quality components for performance and reliability. Made from heavy-duty die-cast magnesium alloy with a variable speed gearbox for greater accuracy. Fitted with a powerful magnet to ensure unit stays adhered at any angle and a double dovetail groove to increase the stroke length. Includes safety fixing strap and integrated coolant system to extend the life of cutters and increase the quality of the cut. Can be used with a 16mm twist drill chuck and M8 to M20 Tapping chucks. Designed for use in fabrication, construction and other applications when drilling/tapping ferrous metal. Features & Benefits:Manufactured using high quality components for performance and reliability. Made from heavy-duty die-cast magnesium alloy with a variable speed gearbox for greater accuracy. Fitted with a powerful magnet to ensure unit stays adhered at any angle and a double dovetail groove to increase the stroke length. Includes safety fixing strap and integrated coolant