This 18V cordless combo includes a hammer drill driver, an impact driver, a rapid charger & two long lasting 6.0Ah batteries. The DHP484 Hammer Drill features mechanical 2 speed gearing with all metal construction, 60Nm max lock torque and can drill 13mm for steel and concrete and 38mm for wood. The DTD153 Impact Driver has 170Nm max fastening torque and easy bit installation capacity for M4-M8 machine screws, M5-M16 standard bolts, M5-M14 high tensile bolts and 22-125mm coarse thread.