Features 1、[13 Pcs Set] This set includes 13 pieces star screwdriver bits, which are T5 T6 T7 T8 T9 T10 T15 T20 T25 T27 T30 T35 T40, providing versatile options for various applications. 2、[S2 Steel Construction] These star screwdriver bits are made from S2 alloy steel, CNC machined and hardened, with high strength and long lasting durability. 3、[Magnetic Design] The magnetic screwdriver bits allow easy pick up of screws, preventing components from falling off, suitable for precise machining, the magnet will not corrode after multiple uses. 4、[Convenient Storage Solution] The star bit set comes with a storage rack for easy organization, helping you keep your work space tidy and your tools easily accessible. 5、[Wide Applications] These star screwdriver bits are suitable for furniture assembly, garage, automotive, cycle, pipeline, construction, and other repair work. Specification Item Type: Star Screwdriver Bit Set Material: S2 Alloy Steel Length: Approx. 100mm / 3.94in Specification: T5 T6 T7 T8 T9 T10 T15 T20 T25 T27 T30 T35 T40 Hex Shank: Approx. 6.35mm / 1/4in Package List 13 x Star Screwdriver Bits 1 x Storage Rack