Felo 0715750785 1/4-Inch x 4-Inch Insulated Hex Bit Holder Screwdriver, 518 Series
Felo 2-component Screwdriver handles are ergonomically designed for fatigue-free operation. This handle features full surface coated soft-component for highest torque transmission.  The insulated 1/4" hex screwdriver bit holder is tested for applications up to 1,000 volts.