... hydraulic door opener Max, Starting Force: 79KN Police entry tool,fire extinguishing,GYKM-63-79/120-A Rescue Features:Opener foot ... :Accident rescue, especially suitable for residential and commercial buildings, hotels & fire rescue to open the locked door in timeProduct Description:#1 ... pump can self-locking.#2. Safe to work in the pit, underground.#3.Mini sized, is portable which can be stored ...