Special set for a number of less frequently used screws professional quality screwdriver bit set premium quality s2 alloy steel for exceptional strength durability precision machined tip for an exact fit damage free screw driving in metal storage box contents 14 bit holder 4 x phillips bits ph0ph1ph2ph1 4 x pozidriv bits pz0pz1pz2pz3 4 x slotted bits 4mm5mm6mm8mm 4 x multitooth bits m4m5m6m8 4 x spanner bits 46810 3 x torq set bits 6810 8 x tamper