3/8 Spiral Steel Boning 09 from CorsetMakingSupplies.com

Sooooo I'm making some 18th century stays. My hand hurts from cutting boning lol. : r/sewing

Hoop Bone Steel - 7.5mm x .65mm from CorsetMakingSupplies.com

Steel Spiral Corset Boning 1/4 Inch Wide Choose 13.5 Long - 17 Long — ZipUpZipper

12.5mm (1/2) White Spring Steel Corset Bones - Several Lengths

8 Tips on How Not to Screw Up Your First Corset – The Geeky Seamstress

Tutorial: Cutting and Tipping Steel Boning With Heat Shrink Tubing - Steam Ingenious

mesh corset – Lucy's Corsetry

Spiral Steel Bone Boning Corset Making Sewing Supplies Bodice Spiral Steel Bone Boning Corset length 15cm/20cm/22cm - AliExpress

White Steel Corset Boning 1/4 Wide 9 to 13.5 Made in the USA