Joseph Marples is one of the best-known Sheffield based tool makers and has been manufacturing joiners tools, such as bevel gauges, marking/cutting gauges and squares since the 1840s. The business has remained in the family to this day and continues to be based in Sheffield, England and managed by Tony a 6th generation Marples. Although modern technology is now utilized for many operations, many of the traditions of manufacturing fine hand tools have remained the same using selected materials and hand finishing. The same threads used in their marking gauges today were those used over 100 years ago.
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 round 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 and is .725” thick, 1.75” wide and 6.125” long.
The blade is 0.040” thick, 2” wide and 10.75” long on the outside edge and 9” long on the inside edge.
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