Description:  Function: 22 in 1.     Features:  This fantastic 22 in 1 screwdriver set  is ideal for hobbyists, modelers, and even average home owners.  22-Piece Mini Screwdriver Set jackly screwdriver with Assorted Bits.     General Features:  Fine aluminium handle;  Keyless chuck;  Swivel thumb rest;  Compact ABS case stores all parts;  Easy grip screwdriver handle;  Perfect for the garage, tool box, modelers, hobbyists and more;  116 mm screwdriver.  High performance blade - S2 steel, hard heated treatment finished.  Anti-slip screwdriver with rotatable-head design provides precision and reach.  Rotating cap for precise turning and control with fingertip.  Wide range use for iphone/phones and most handheld devices.     Specification:  Screwdriver handle: Whole Aluminum space rod milling handles, with extension telescopic rod inside; 100% aluminum oxide handles.  Bits: S2 alloy steel, HRC 60.  Tool bits size:  45mm length, 4mm shank, easy to remove the deep hole screw.  Screwdriver size:  4.5" only handle without bits and extention rod;  5.9" with tools bits inside;  8.1" with extention rod and tool bits.     Bits:  1. Phillips: ph000,ph00,ph0,ph1,ph2;  2. Slotted: SL1.5,SL2.0,SL3.0,SL4.0;  3. Torx: T4,T5,T6;  4. Torx: T8,T10,T15;(with tamper hole);  5. Special size: Pentagon 0.8(can change to 1.6), Pentagonal 1.2;  6. SP 2.0;  7. Triangle: 3.0; Triangle 2.5;  8. Hex: H1.5, H2.0.     Package includes:  1 x 22 in 1 Screwdriver Set.