size:1.4mm,2.0mm,2.4mm,3.0mm,#0,#1 screw head type:philips/slotted handle:carbon steel shaft end:tool steel size:1.4mm,2.0mm,2.4mm,3.0mm,#0,#1handle:carbon steel shaft end: tool steel case:polystyrenelength:8.2,8.9,9.6,10.3,9.6,10.3cm1.6in1 screwdriver in one beautiful box2.multifunction,suitable for fine precision work 6pcs precision screwdriver set