Available in 3 materials.
Stainless Steel is real metal. Builder must sand off the layer lines.
White Strong and Flexible is sandy and gritty. There is a lot of prep work. Builder must coat the part in super thin super glue, then sand, primer, putty, then sand, primer, putty, then sand, primer, putty, sand, and primer. Cheaper material
Arcylic Plastic is more expensive but easier to work with. Just sand off the layer lines and primer and paint like a normal model kit.
A resin version will be offered in the future, but due to multiple projects, the release date is unknown. If you need one now, here it is.