Quiet industrial motor has automatic thermal overload protection. Single helical cutter with "Tip Saver Technology" provides fast, controlled sharpening. High capacity shavings receptacle with magnetic safety switch. Six-hole, oversized selector dial is easily adjusted to change pencil size. 6 ft. long power cord. Oversized, 7-1/2 x 9" base, for added stability. Seven-year limited manufacturer's warranty.