From 10mm variable reversible drill, 13mm 2 speed drill, 13mm V/R Impact drill to heavy duty drill, customers are provided with several options under impact drill category. With this drilling machine, a professional can drill hole in concrete, wood and steel. They can use different drilling model to achieve specific drilling capacities. Both single and double class of tool is included in this category. The double class of hand-operated, power driven drilling tool can perform double function of drilling and impact drilling. All models under this category feature variable electronic speed control, rubber cable and soft grip side handle. Impact drill is a professional tool with metal gear housing. This drilling machine is sold in international markets under the brand âPOWERMASTERâ.