These value line drawplates are the best quality imitation SRM drawplates on the market. While the Tungsten Carbide inserts are not as thick as SRM's, they have been highly polished so the wire you pull will be blemish-free. It is strongly recommended that you use a lubricant like our stay sharp and anneal the wire often when using these drawplates. The round shapes have a 90 day guarantee. Fancy shaped drawplates are to be used with soft annealed precious metals only and carry no guarantee.