Aluminum alloy body. One-piece design: The pen shape hides the removable stem, and the ends of the bits are neatly stored. Just a click to access the precision drill bits. Multifunctional precision machine screwdriver set provides everything you need for precise repairs and portable: This small screwdriver set weighs only 90 grams and can be easily put into a package or bag. Very , comfortable to hold, practical mini tool set Fine tool kit drill bits made of S2 steel include: 22 drill bits are made of alloy S2 steel with a hardness of 60 HRC. 6 Torx (size T2, T3, T4, T5, T6, T8), 2 x Pentagon (P2, P5), 1 x Hexagon (H2.0), 1 x Y-shaped (Y0.6), 1 x U-shaped (2.6), 1 x Triangle (2.3), 1 x Pozidriv (2.5), 1 x Triple Point Triple Point One (G). 3) 360 free- lid: with magnetic screwdriver, easy to grip and loosen screws, compact and convenient to put in drawer, ready when you need it Colour:red Material:Aluminum Alloy Package Contents: 1 * Precision built-in screwdriver 22 * Multiple models of S2 steel bits Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.