Features SPECIFICATIONS: 12-in-1 ratchet screwdriver set, including 6-piece double-sided screwdriver bits, with 12 different specifications for a variety of applications. EXCELLENT MATERIAL: Made of excellent chrome vanadium alloy steel, nickel plated on the surface, with high hardness, high torsion and good corrosion resistance. MULTIPLE FUNCTION: These screwdrivers have a quick-release mechanism and a self-locking function, and the drill bit can be changed conveniently and reliably with one hand. BALL BEARING DESIGN: The driver has 3 ball bearings inside for quick clamping and prevents the drill from slipping, with 3 ratchet modes for right, left and locking positions. WIDE APPLICATION: Suitable for all small space work, such as home repair, tool repair and various industrial fixing needs, with low operation effort. Specification: Item Type: Ratchet Screwdriver Set Material: Chrome vanadium alloy steel Format: Metric Screwdriver Specifications: SL6 slot and PH2 slot Inner cross and TA2.6 triangle T2.3 triangle and 3 points U2.3 U-type and T30 star T20 Star and T25 Star T15 star and Y1 type Package list: 1 x Handle 6 x Screwdriver Bits Package List 1 x Handle 6 x Screwdriver Bits