* 1 hp Electric Motor * Quick-disconnect - patented quick-coupler system for quick easy changing of shafts. * Chrome plated wrap-around cage provides protection and ease of handling. * Durable lightweight cast aluminum motor housing lasts longer. * Wide range of interchangeable and reversible flex shafts. Seven high amplitude heads from 3/4" diameter pencil size to 2 1/2" diameter are factory sealed and require no servicing. * Patented 1 7/8” rubber head prevents nicking or damage to epoxy-coated rebar, and also provides increased consolidation of concrete. * The quick-connect system provides fast, easy flex shaft changes, keeping the shaft connected and locked to the motor until you snap it out. No bearings to wear out. * Easily accessible brushes allow quick inspection and changing.