The french curve rulers is made out of stainless steel, they will outlast years of use for marking, cutting etc. without damaging their edges.
You may be also interested in Set Of 4 Circle Stencils https://www.ebay.com/itm/254397296567 

FEATURES:
▪ stainless steel 1.5 mm thickness (0.06 inch)
▪ size A: 25×9.5 cm (9.8×3.7 inch)
         B: 14×6.4 cm (5.5×2.2 inch)         
         C: 15×7.4 cm (5.9×2.9 inch)

We can produce custom tool, feel free to contact us (desirably with your drawing).

TERMS OF SHIPPING:
 Inernational shipping is done by registered air mail, all packages are provided with tracking number.
▪ to the USA - 8-12 days
▪ to Canada - 18-20 days
▪ within Europe - 8-12 days (Italy up to 20)
▪ Asia, Australia - 18-24 days
In high holidays season, especially Christmas, may be delays or incorrect displaying of tracking information.

Thank you for visiting us!