The Black and Decker HD4810 Hammer Drill is a two-in-one drill machine that is suitable for both drilling and hammering tasks. It has a pistol style design that ensures a firm grip at all times, and a powerful 480W motor that helps drill through materials like wood, stone, plastics, and metal. It also incorporates a lock on switch and 10mm keyed chuck for convenience. The Black and Decker drill machine is engineered with precision and promises to deliver an incredible performance, even on the most demanding applications. It has an ergonomic make and compact and lightweight design, and is safe to use with a lock on switch that ensures complete safety and enables continuous use.