Vintage (possibly 1940s) Brown Glazed Electrical Insulator is made of heavy ceramic/porcelain and stands 4 inches tall by 3.75 inches diameter.  With a saddle top design.  The lowest point in the saddle has a litlle rub in the glaze on one side.  If turned over to use as a candle holder there is one penpoint chip in the glaze.  Super high gloss finish.