150 in 1 Precision Screwdriver Bits Set

【Large Capacity Storage Box】 The top storage box has huge storage spaces of different specifications for the storage, sorting and classification of small objects such as disassembled screws and electronic materials during maintenance.
【High Hardness Chromium Vanadium Steel】 Precise workmanship, can better match the screw size. High temperature quenching treatment, surface phosphating ash rust prevention process.