This is for 4 sets of metal radius gauges in various sizes some metric and some imperial with metric wrote on them.
I believe they maybe Moore and Write but they do not have any writing on them to actually confirm this sorry so they may not be and to be fair I can not remember as these have been stored in my toolbox for the past 20 years not being used.
First set is imperial and as follows
1/32, 3/64, 1/16, 5/64, 3/32, 7/64, no 1/8, 9/64,5/33, 11/64, 3/26, 13/64, 7/33, 15/64, 1/4, 17/64.

The second set as above but includes 1/8.

Third set is imperial and are 9/33, 19/65, 5/16, 21/64, 11/32,23/64, 3/8, 25/64, 13/32, 27/64, 7/16, 28/64, 15/32, 31/64, 1/2, 33/64.

Last set is 0.75, 1.0, 1.25, 1.5, 1.75, 2.0, 2.25, 2.5, 2.75, 3.0, 3.25, no 3.5, 3.75, 4.0, 4.25, 4.75, 5.0.

Yes these have all been used and some may have wax or other materials still on them a little bit all still of good working order.
Please see close ups of them on the photos.

Metal radius gauges (or fillet gauges) are hand-held precision tools used by machinists, toolmakers, and engineers to measure the internal (concave) and external (convex) radii of corners, arcs, and fillets. They typically feature a set of folding steel or stainless steel leaves marked with exact radius dimensions. How They You press a leaf against a curved edge.Light Gap Test: If light shines between the metal edge and the blade, the size is incorrect. A proper match shows complete, even contact with no visible light gap. Each individual metal leaf usually has distinct convex and concave measuring surfaces.


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