Four boat-builders` tools from the `Mary Stewart`
Three caulking irons and a sail pricker from the schooner the Mary Stewart: large and small `making` irons, a `hardening` iron (with groove), and a sailmaker`s pricker for making holes in sail canvas. Caulking irons (caladh in Gaelic) came in sets of five and were used to force oakum into spaces between timbers to form a water-tight seal.
