Electro Hydraulic Breaching Kit EHR-A is consisted of: electro pump, micro-door pusher, micro-spreader, micro-cutter, crowbar and other parts. 3 engineered tools are powered by a compact, reliable battery-powered hydraulic pump.It is often used in demolition work, Mainly used for cutting security doors, rolling doors, protective fences in narrow space. It is a single-tube, single handed operation machine.Equipped Remote control