BLACK & DECKER is a cordless screwdriver which runs on non-rechargeable batteries. It has an easy to operate on/off button with optimal grip. The narrow nose piece allows you to reach confined places. Can also be used as a manual screw driver just by switching on a button. The spindle lock, reverse function, different types of bits makes this the best cordless screwdriver. This screwdriver set can be used for quick fixing tasks around the house like changing door knobs, tightening loose screws on your cupboards, drawers or doors etc.