The 11-inch Flexible Shaft Bit Extension is good for use under cabinets, drawers and in narrow areas where you need to drive screws. The shaft flexes to a full 180° so you can get at hard to reach places. It is a magnetic bit holder with a 1/4 inch hex shank.
Extends bits into hard-to-reach areas such as cabinets; drawers and under cabinets
Magnetic bit holder keeps fasteners and bits secure while driving