| Manufacturer | Black & Decker |
| Model | 7277 |
This vintage Black & Decker model 7277 1/2-inch 3.5-amp hammer drill has variable speed trigger, drilling, action, screwdriver action, and hammer action. With reversible rotation and a trigger locking switch. Great for drilling into concrete, brick, and other masonry materials when a normal drill isn't enough.
For usage instructions, refer to this manual for similar Black & Decker models similar to the 7277. NOTE: trigger must be fully pressed for trigger lock button to work; does not lock at lower speeds.