Al tools made from hardened chrome vanadium steel, tempered for greater strength and durability 44-piece tool set includes: 17pc Magnetic Screwdriver, 10pc Assorted Bits, 16pc Hex Keys. Screwdrivers with Go-Thru steel blades for added strength, colour coded for easy identification，Durable plastic racking shelf for well organization. Magnetized black coated tip improve handling and manipulation of screws Cushion grip handle for comfort and control,With ergonomic TPR handle and button on it, it helps you to use very easily. Products include: 17 Assorted Screwdrivers Flat/Slotted Sizes: 3 x 75mm, 4 x 100mm, 5 x 100mm, 6 x 125mm, 8 x 150mm. Philips: PH0 x 75mm, PH1 x 75mm, PH2 x 100mm, PH3 x 150mm. Pozi: PZ0 x 75mm, PZ1 x 75mm, PZ2 x 100mm, PZ3 x 150mm. Torx: T25 x 100mm, T27 x 100mm, T30 x 125mm, T40 x 100mm. Bit Driver: 1 x 1/4” 10 Assorted 25mm Screwdrivers Bits: Hex: H3, H4, H5, H6. Torx: T7, T8, T9, T10, T15, T20. 16 Hex Keys: Metric: 1.5, 2, 2.5, 3, 4, 5, 5.5, & 6mm Inch: 1/16”,5/64”,3/32”,1/8”,5/32”,3/16”,7/32”,1/4”.