Gorilla-A Division of Tech Hydraulics, is distributor of Rockblaster Hammers and Gorilla Hammer Bits. Gorilla also supplies a wide range of after market parts for hydraulic hammers such as : NPK, Kent, Rammer, Atlas Copco, Indeco, BTI, Okada, Rockram, Tramac just to name a few. Gorilla also sells rebuilt hydraulic hammers.