Stanley Hydraulic Tools SK58310 sinker drill is designed for heavy-duty UNDER WATER, rock hole drilling .
It is to be used with air flushing both for keep good tool preformance under water and clear holes of debris.
It features an easy start feathering trigger and a direct drive rotation motor for reliable service and fast and easy starting.
The SK58310UW is capable of drilling up to 3 inch hole diameters ( 76mm) up to 20 feet deep.(6mtr)
Other version of SK58 serie
SK58130 Air flushed 22x108mm hex (Over water work)
SK58120 Water flushed 25x108mm hex (Over water work)