Strong, Long-life rollers made with deep grooves and thin fins provide excellent air release. Patented handle, rubber modified polpropylene design proven least tiring during long hours of use. Non Corrosive 1/4"" Frames. Cleans easily in solvent. Iron rollers are suitable for a wide range of composites uses including gel-coat, polyester, epoxy, vinylester and phenolic resin. Our iron rollers are available in widths suitable for small and large jobs. Iron rollers are available individually or in the best-value pack of 10.