Specifications:Handle Material: Aluminium AlloyBits Material: S2 AlloyStorage Case Material: Aluminium AlloyWeight: Apprex. 350g36 bits of various types meet the needs of daily maintenance and repair.High-quality s2 alloy steel bits, hardness up to 6OHRC*, toughness and durability. Double surface treatment, anti-rust, while ensuring high-precision biting screws, not easy to damage precision screws.The three-section design is more suitable for fingers, easy to grip and easy to apply force; the anodizing process is delicate and non-slip. With the design of the rotating cap, it can be operated continuously with one hand.Lightweight and compact, it is more convenient to carry around.The all-aluminum alloy shell has rounded edges and no seams throughout the body, making it feel smooth and comfortable to hold. Anodized sandblasting surface treatment, anti-sweat, anti-slip and anti-corrosion.Note:Light shooting 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.The size is purely manual measurement, there will inevitably be an error of 1-3 cm, please refer to the actual product.Due to shooting lighting and the difference of each monitor. There will be different degrees of color difference. The actual product shall prevail.