Descriptions:The length of bits much longer than traditional bits,easy to remove the deep hole screw.Unique design box, firmly stuck the bits, easy to carry and store.Durable and practical.Phillips: PH000 PH00 PH0 PH1 PH2Slotted: SL1.5,SL2.0,SL3.0,SL4.0Torx: T4 T5 T6 T8 T10 and T15(with tamper hole)Triangle:3.0; Triangle: 2.5SP 2.0Hexagonal Hex: H1.5, H2.0Pentalobe: P2(0.8) P5(1.2)Specifications:Bits Material: S2 alloy steelTool bits size: 45mm length, 4mm shankScrewdriver size:20.7 cm total length with extension rod and tool bits11.5 cm only handle without bits and extension rod17.3 cm with extension rodHandle material: metalBox size: 145*103*27mmPackage included:1 x Screwdriver Set1 x CaseNotes:Please allow 0-2mm error due to manual measurement, thanks for understanding.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you