30 In 1 Precision Screwdriver & Bit Set

Contents :
30pc 4mm Shank x 28mm (L) Bit:
PH: 000, 00, 0, 1
PZ: 0, 1
SL: 1, 1.5, 2, 2.5, 3, 3.5, 4mm
HX: 0.7, 0.9, 1.3, 1.5, 2, 2.5, 3, 4mm
TX: 4, 5, 6, 7, 8, 9, 10, 15, 20
1pc Ergonomic Precision Bit Driver