The 1/4" hex shank is specially designed for cordless screwdrivers, enabling you to quickly change drill bits.
1.5mm/ 0.06"
2.0mm/ 0.08"
2.5mm/ 0.10"
3.0mm/ 0.12"
3.2mm/ 0.13"
3.5mm/ 0.14"
4.0mm/ 0.16"
4.5mm/ 0.18"
4.8mm/ 0.19"
5.0mm/ 0.20"
5.5mm/ 0.22"
6.0mm/ 0.24"
6.5mm/ 0.26"