These Letters and Numbers are cut from quality 18 gauge American steel, and are perfect for clocks, DIY crafting, address signs, Clocks, Stencils and all sorts of fun projects. They are not flimsy at all, but rather quite rigid and easy to work with.Looking for Different Sizes or Fonts? We offer 1.5″, 2″, 3″, 4″, 5″, 6″ , 8″ ,10″, and 12″ sizes in a wide range of fonts. check out our other listings for more Numbers, Letters, and Roman Numeral Fonts.Custom Fonts and Sizes are also available on request. Setup Charge may apply. Please feel free to contact us for more information.Your Choice of Rustic or Natural Steel Finish.Finish Descriptions:Rusty Finish: Aged to a nice rustic patina, these will work inside or out, and give a true rustic charm. For outdoor use, we recommend treating with a clearcoat or polyurethane to prevent rust from running over time.Natural Steel: This is an untreated steel version, mostly silver in color with minor blemishes. Ideal for projects that will be painted, or leave them as is for a truly natural look. You can also rust them on your own to achieve a specific look. ***PLEASE NOTE: If you do not paint or treat Natural Steel with a paint or clearcoat, they may rust over time depending on your local environment