Hydraulic hammer drill Kg 13 for concrete and masonry with standard bit attachment SDS MAX. Light, compact and power full is ideal in all drilling works where are needed performances, manoeuvrability and safety. The hydraulic functioning is implicitly quite and safe and allow to use tool even completely submerged in water or with the operator inside a trench with “feet in water and mud”, condition rather common but very dangerous and prohibited by low if are used electric tools. HD13 is very robust and it is constantly lubricated by the oil that power it, this gives a long operative life and an unmatched reliability. For these characteristics it is often irreplaceable in maintenance of gas and water utilities lines and in the under water works.