Rotary hammer drills blast through concrete, stone, and masonry with percussion-driven force, making them essential for heavy ...

The workpiece is marked up, and the shape of the hammer head meticulously filed out by hand. The wooden handle is similarly prepared from raw stock with a combination of planes, chisels and files.

The pair were part of a group being shown around the Crown Jewel by a tour guide before they launched the attack which they ...