Ezebreak is the manufacturer of the patented line of rock and concrete breaking tools known as Micro-Blasters. Using a proprietary propellant driven cartridge to effectively crack rock and concrete the system is highly effective and quite portable to allow use in almost any location including ventilated indoor spaces. Used by a number of industries to deal with nuisance rock and concrete projects small scale mining back country trail building and rescue teams. Complete information and video of our systems in action is available at our website http//www.ezebreak.com/ CRACK WISELY!