· Magnetic bit holders are useful for holding fastener onto the bit allowing for one handed operation;

· Quickly change to whatever bit style you choose to a different one without having to release and adjust drill chuck;

· This magnetic bit holder is a standard 1/4" shank and will fit most common drill chucks and tools;

· Adjusting feature allows you to set the distance the bit protrudes from the holder and assists in driving the fastener to a standard depth;

· 1/4" MAGNETIC BIT HOLDER: for Drill Driver Screw Bits - 2" bit holder for screw driver bit inserts.