【Hand Drill Set】The set includes a pin-type vise, containing 48 micro twist drill bits in 26 different sizes, with sufficient quantity and suitable styles to meet your different needs. 【48Pcs Mini Drill Bit Set】Comes with 0.5/0.6/0.7/0.8/0.9/1.0mm (3pcs for each size); 1.1/1.2/1.3/1.4/1.5/1.6/1.7/1.8/1.9/2.0mm (2pcs for each size); 2.1/2.2/2.3/2.4/2.5/2.6/2.7/2.8/2.9/3.0mm (1pc for each size). 【Adjustable Chuck】Made of high quality aluminum alloy, durable. The 3-jaw precision chuck design allows for very fast drill bit changes, can fit 0.3-3.4mm micro twist drills and keeps the drill bit straight. 【Micro Rotary Tool】The non-slip ridged handle is ergonomic and easy to hold, allowing you to have proper leverage when rotating the spindle vise, improving speed and accuracy. Ultra-smooth rotation allows for easy drilling of holes, and its tail is swivel, sturdy and convenient to use. 【DIY Hand Drill】The versatile hand drill is perfect for drilling small holes in wood, plastic, rubber,