Fein asb18 combi drill and ascd w4 impact driver twin pack asb 18 18v cordless combi drill features and benefits4 pole dc motor with overload protection lithium ion storage battery with fein safety cell technology a separate communication cable protects the battery and tool from overload solid metal quick clamping drill chuck2 speed solid metal gearbox compact design striking mechanism750 screw connections with one battery charge fixes 8 x 300 mm screws without pre drilling high torques up to 60