Features Strong magnetic screwdriver bit for easy screw holding, making your work much easier. Set includes star, square head, cross, and slot screwdriver bits in various sizes to meet your work needs. Compatible with pneumatic screwdriver, electric screwdriver, and rechargeable drill, enabling wide application. Precision-crafted screwdriver bits with no burrs, and the storage box simplifies carrying. Made of S2 steel, ensuring the screwdriver bits are not easily deformed for long-term use. Features: 1、The strong magnetic screwdriver bit can easily hold the screw, which makes your working much easier. 2、This set has star, square head, cross and slot screwdriver bits in various sizes to satisfy your work needs. 3、Enables wide application in pneumatic screwdriver, electric screwdriver, rechargeable drill, very practical. 4、Through fine workmanship, the screwdriver bit has no burrs, and the storage box also simplifies carrying. 5、Adopting good S2 steel, all the screwdriver bits are not easy to deform, and very for long use. Specification: Item Type: Screwdriver Bit Material: S2 Tool Steel Treatment: Nickel Plating Star Screwdriver Bit Specification: T8, T10, T15, T20, T25, T27, T30, T40 Square Head Screwdriver Bit Specification: 1.0, 2.0, 2.5, 2.7, 3.0, 4.0, 5.0 Cross Screwdriver Bit Specification: 3.0PH0, 3.0PH1, 4.0PH1, 4.5PH1, 4.0PH2, 4.5PH2, 5.0PH2, 6.0PH2 Slot Screwdriver Bit Specification: 1.6, 2.0, 2.5, 3.0, 4.0, 5.0, 6.0 Suitable For: Pneumatic screwdriver, electric screwdriver, rechargeable drill. Package List: 8 x Star Screwdriver Bit 7 x Square Head Screwdriver Bit 8 x Cross Screwdriver Bit 7 x Slot Screwdriver Bit 1 x Storage Box Package List 8 x Star Screwdriver Bit 7 x Square Head Screwdriver Bit 8 x Cross Screwdriver Bit 7 x Slot Screwdriver Bit 1 x Storage Box