This 13 piece screwdriver bit set from draper is manufactured from s2 steel which is hardened and tempered with a satin chrome finish attached with a plastic coloured ring for easy identification this bit set is supplied in a convenient storage case which opens up for easy access to the bitscontents 1 x magnetic bit holder 4 x plain slot 3 4 5 and 6mm 4 x cross slot no0 no1 no2 and no3 and 4 x pz type no1 no2 x 2 and no3