Nemo’s Special OPS Hammer Drill is our upgraded version of the Nemo 50m Hammer Drill. It has the same tough functionality as the hammer drill but can work both on land and underwater to greater depths of up to 100m. Submersible up to 100m (328 ft) Impacts per minute (on high speed): 0-21000 IPM Includes two 18V 6Ah lithium-ion batteries Comes with water pressure balance kit for optimum pressurization control underwater

An underwater hammer drill for scuba and commercial divers: it drills concrete, brick and stone below the waterline for dock, pier, seawall and bridge repair and other marine construction, and works as an ordinary cordless hammer drill on land.