Bosch Pro Mixed Drill Bit Set is a 103 piece professional titanium drill and screwdriving set which can be can be used with impact drivers, drilling and screwdriving. All pieces are compatible with mixed set that covers all common applications, and organised in a moulded display carry case Features screwdriver bits and hex sockets as well Made from hardened steel Set includes: 9 x metal drill bits (2 x 1.5, 3 x 2, 1 x 2.5, 4 x 3, 1 x 3.2, 1 x 3.5, 1 x 4, 1 x 4.5, 1 x 4.8, 1 x 5, 1 x 5.5, 1 x 6 and 1 x 7mm), 40 x 25mm screwdriver bits (10 x PH (2 x 0, 2 x 1, 3 x 2 and 3 x 3mm), 10 x PZ (2 x 0, 2 x 1, 3 x 2 and 3 x 3mm) 6 x S (2 x 4, 2 x 6 and 2 x 7mm) 10 x T (2 x 10, 2 x 15, 2 x 20, 2 x 25, 30 and 40mm) 4 x H (3, 4, 5 and 6mm)) 13 x 50mm screwdriver bits (4 x PH (0, 1, 2 and 3mm) 4 x PZ (0, 1, 2 and 3mm) 2 x S (4 and 6mm) 3 x T (10, 20 and 25mm)) 2 x spade bits (16 and 22mm), 5 x masonry drill bits (4, 5, 6, 8 and 10mm) bit holder 4 x holesaws (32, 38, 44 and 54mm) hole saw adapter 9 x wood drill bits (2 x 3, 2 x 4, 1 x 5, 1 x 6, 1 x 7, 1 x 8 and 1 x 10mm) 7 x nut setters (5, 6, 8, 10, 11, 12 and 13mm) countersink and Allen key