PLAIN FIN - EDM'd Aluminum Back to all Plain Folded Fins Material: Aluminum Thickness : 0.010" Fin Height: 0.308" Fins per Inch: 13 MORE PLAIN FOLDED FINS Dual Corrugated Stainless SteelFlat Crest Custom Perforated AlumPlain Fin EDM’d AluminumPlain Fin EDM’d AluminumPlain Fin EDM’d AluminumPlain Fin EDM’d AluminumPlain Fin EDM’d AluminumPlain Fin EDM’d CopperPlain Fin Punched AluminumPlain Fin Punched AluminumPlain Flat Crest AluminumPlain Flat Crest AluminumPlain Flat Crest AluminumPlain Flat Crest AluminumPlain Flat Crest AluminumPlain Flat Crest Expanded AluminumPlain Flat Crest Perforated AluminumPlain Flat Crest Perforated CopperPlain Radial AluminumPlain Radial AluminumPlain Radial AluminumPlain Round Crest AluminiumPlain Round Crest AluminumPlain Round Crest CopperPlain SemiFlat Crest Aluminum