28 S2-Steel Precision Screwdriver Bits: Equipped with a wide range of high-quality S2-steel precision screwdriver bits, this kit ensures compatibility with various screw types and sizes, allowing you to tackle any project with confidence. 360 Free-Rotating Lid: Experience convenience and ease of access with the 360 free-rotating lid, providing effortless selection and organization of screwdriver bits. Solid Slip-Proof Body: The solid slip-proof body offers a comfortable and secure grip, reducing hand fatigue and enhancing control during use.