Joseph Marples Trial 1 – 9” Try Square – Rosewood

Product Description

The Joseph Marples Trial 1 9”squares have 1/8”thick machined brass on both the inside and outside faces, thus ensuring accuracy on the inside and outside edges.

They have a chemically blacked spring steel blade, secured to the stock with brass diamond washers and steel rivets.

The accuracy of the try squares is well within that required by BS3322.

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