1.Firefighting rescue tool 2.Cut collapsed concrete precast panel 3.hydraulic hand held 4.easy and saft to use ... .With blade brake device, greatly improving the safety performance;3.Powerful 355mm blade saw;4.Perfect balance design, operating ... : The Hydraulic Disc cutting saw used to cut collapsed concrete precast panel, reinforced concrete, rock, brick, reinforcing steel bar, pipes, Guardrail, ...