Joseph Marples 6" Rosewood Square (JML-19A)

These squares have 1/8” inch thick machined solid brass on the inside face, thus ensuring better durability and accuracy.  They have a blued spring steel blade, secured to the base with diamond shaped brass rivets. The accuracy of these try squares is well within that required by British Standards BS3322. Each square is tested for accuracy twice during manufacture and again immediately prior to dispatch.

The squares are tested on both the inside and outside faces, specification for the internal angle is twice as accurate as that specified in the British Standard, an accuracy better than 0.001” per 1” of blade length.

The base is made from plantation grown Indian Rosewood. The blade is made from blued spring steel.