Professional safety bit set made from high quality hard wearing s2 steel even deep embedded screws are no longer a problem the extra long bits are 150 mm long the following bits are included 19x rounded off bits with bore diameter t8 t10 t15 t20 t25 t27 t30 t35 t40 4x triple flanked bits 1 2 3 4 3x four flanked bits 6 8 10 6x hexagonal bits with bore diameter 2 2 5 3 4 5 6 mm 12x philips ph1 ph2 3x philips pz1 pz2 pz3 1x flat 6 mm 4x spanner 4 6 8 10 a practical pl