This the twist of the hand is made of the high quality alloy for durability and long service life
The Chuck hand drill has a wide range of 0.3 mm to 3.6 mm grip which can fit many sizes of drill bits
HSS Drill Bits: 0.5 mm, 0.6 mm, 0.8 mm, 1.0 mm, 1.2 mm, 1.5 mm, 1.8 mm, 2.0 mm, 2.5 mm, 3.0 mm
With small size and light weight, this hand drill can fit in the bag of many tools and can be taken anywhere
The hole of the twist of the hand is absolutely easy to learn function, and can be used for drilling many things including wood, plastics, rubber, etc.