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Profile: Granite City Tool Company, Inc. is a manufacturer and distributor for the stone industry. We specialize in the stone tooling business. Our product includes CNC machines, gantry saws, rail saws, diamond wire saws, tile saws, edger machines, radial arm machines, slab polishing machines and hydraulic stone splitters. We provide tooling for every machine used in the stone industry such as CNC diamond profiles, diamond blades, diamond router bits, diamond polishing pads, silicone carbide grinding wheels and diamond grinding wheels. Our master splitter hydraulic masonry splitter is one of the largest hydraulic manual masonry splitters. This rigid, dependable, and easy to use hydraulic masonry splitter machine can handle the most difficult splitting jobs such as standard brick splitting and the splitting of granite and hard stone. Our Betonamit non-explosive cracking agent is a non-toxic powder. Wedges and shims are used for eons in the stone industry and are still among the most effective tools for splitting stone.