Carpenter's drawbar with drawbar on one side and hammer on the other side, carpenter drawbar drawbar tool equipment soil find iron metal, forged drawbar Wide, slightly curved top. Protruding hammer head with octagonal cross-section. Thin tube for seat stalk Marked at the bottom of the coat leaf underside of the leaf: T in circular cartouche archeology Rotterdam rail tunnel wood working craft carpenter shipbuilding Soil discovery: rail tunnel Rotterdam.