Screwdriver -Precision screwdriver Screwdriver Highlights generic brand Precision screwdriver Screwdriver Description: This is the original wowstick 1F pro electric screwdriver bit with X1 (20pcs), X2 (20pcs) model can be selected , suitable for XIAO Wowstick series screwdrivers and other brand screwdrivers, etc. The screwdriver bit set includes Phillips, Slotted, Hex, Trox, 5-point, Y-type, Square, Triangle, Square, U-type to be compatible with most electronic devices. Muti-function screwing, drilling and threading, meeting your different wiring requirements. 4mm (1/8") hex shank also compatible with most other precision screwdriver sets. 4x28mm screw bit size, meet different needs for repair work. Made of S2 alloy steel with high hardness, strong wear resistance. Specification: Material: S2 Alloy Steel Shank Size: 4mm (1/8 inch) Length: 28mm Screwdriver Bit Model: X1 (20pcs): PH0000, PH000, PH00, PHO, PH1, PH2, SL1 .0, SL1.5, SL2.0, SL2.5, SL3.0, SL3.5, SL4, H0.7, H0.9, H1.3, H1.5, H2.0, H2.5, H3 .0 X2 (20 pieces): H4.0, T2, T3, T4, T5, T6, T7, T8, T9, T10, T15, T20, P2, P5, P6, Y0.6, Y1.0, Y2. 0, Y2.5, Y3. 0 Package Includes: 2 Set X1/X2 Screw Bits Note: 1. Color may be slightly different due to the color calibration of each individual monitor 2. Please allow slight measuring deviation due to manual measurement