Joseph Marples Trial 1 Rosewood Woodworking Try Squares Double Brass Faced

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 6^th 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.

The Joseph Marples 'Trial 1' selection of Rosewood tools represents the very best quality they produce. They are based on designs of tools last made over 70 years ago, which carried their ‘TRIAL 1’ brand, or Corporate Mark.

These Trial 1 squares have 1/8” inch thick machined solid brass on both the inside and outside faces, thus ensuring accuracy on the inside and outside edges. They have a blued spring steel blade, secured to the base with brass diamond washers and steel 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.  

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