The M-Case Box Set & QR Assorted Drill Set (39 pieces) from Einhell is a versatile and durable set, ideal for use with impact cordless screwdrivers and drills. It includes impact-resistant S2 steel bits, HSS metal drills, wood and stone drills and CV steel sockets. With a magnetic bit holder and a countersink, all components are neatly stored in a practical case for easy access. Features and Benefits 24x impact-resistant bits in 25 mm with C 6.3 shank made of robust S2 steel 3x HSS metal drill bits with E 6.3 shank made of high-strength HSS 4241 steel 5x impact-resistant nutsetter with hexagon socket made of robust CV steel 2x stone drill bits with E 6.3 shank made of robust tool steel with inserted carbide plate