Misc Vendor HD-18V-6Li-50 Underwater Hammer Drill, Nemo, 164 Foot Depth, 6AhThe Nemo Hammer Drill offers you the power you need for working with cement, brick, block, or stone in wet or underwater conditions. Installing concrete anchors, attaching electrical boxes to brick, drilling into tiles in swimming pools and spas and setting cave and canyoneering rigging are all made possible with this submersible, cordless hammer drill. This two speed drill has a maximum depth of 164 ft and is salt-water resistant. Product Specs: