Tungsten alloy steel blades are interlocked firmly to plastic handles which are hammerproof 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.
Noninsulated Plastic Handle