Breaker
The Stanley BR45 Underwater Breaker for light to medium duty breaking of concrete, rock, coral and is also for light rod driving and tamping. The BR45 is a T handle design with a large trigger for precise control plus it features a diaphragm accumulator which provides additional blow force.
The BR45 350 Underwater Breaker is capable of handling considerable back pressure (250psi). This feature is particularly useful as long hose lengths ,which are typical in marine enviroments, can often lead to increased back pressure.