DURABLE ONE PIECE MOLDED BLACK FIBERGLASS FILLED PLASTIC CONSTRUCTION. 3 3/4" OVERALL LENGTH AND 2 1/8" WIDE. TOOLS MAY BE CARRIED UNDER A WATCH BAND, IN A SOCK, SHIRT OR JACKET, WORN AS A NECK KNIFE OR TAPED ANYWHERE ON THE BODY. WEIGHT, A COUPLE OF OUNCES.