This is a 25 pack of 40 Triangle needles. This pack is on sale because the paint came out extra thick and gritty feeling, rather than smooth. You may be able to file or sand them to get a smoother surface, but they may need to be used as-is. There may be a tiny bit of rusting on these but it is very minimal.
About this needle:
40 Triangle (Yellow) Use for the later stages of sculpting where you want to start smoothing and finishing the surface. Most of our sculpting kits come with 36T and 40T needles. Also works well for flat detail work.
SECONDS needles are final sale (no returns).