Scale: Unknown. A model depicting the heel of a topmast, with a double wedge fid. The model has been made largely of wood and the mast section is shaped so that the top face is octagonal. The two wedges are secured with an angled brass bracket attached to the smaller wedge and secured to the larger wedge by a brass pin that runs through the bracket and larger wedge. The pin is connected to the mast heel by a length of chord. The model is secured to a rectangular bevelled wooden baseboard.