Designed for smaller-scale surface prep, the SG12/E single-head surface grinder is durable and easy to use, making it ideal for anyone from professional contractors to do-it-yourselfers. Powered by a 1.5 hp electric motor, the grinder has a single 12-in. rotating disc making it ideal for grinding concrete surfaces and removing surface finishes. Built for portability, the handle folds for easy transport. General Equipment Co. 800-533-0524.