Tungsten alloy steel blades are interlocked firmly to plastic handles which are hammer-proof and unbreakable. Handles are insulated to withstand up to 1,000 AC voltage for insulated type. The required size must be ordered according to the blade length for the slotted type, not by the overall length. For phillips type screwdrivers, please order according to the indicated number. Non-insulated Plastic Handle
钨合金钢刀片牢牢地锁在塑料手柄上,防锤击,牢不可破。对于绝缘型,手柄是绝缘的,可以承受高达1,000交流电的电压。所需尺寸必须根据开槽类型的刀片长度订购,而不是根据总长度订购。如需十字螺丝刀,请按标示数量订购。非绝缘塑料手柄