Miniature Paterson single cavity bullet mould to cast one round ball. Three wooden handles with three sets of scribe rings, brass ferrules with locating pin on the top of the left block. The sprue-cutter swings to the right. The two blocks and the sprue-cutter are fastened at the hinge by a domed locating pin.

Measurements: 45 x 15mm or 1  3/4 inches long.