Jumbo core MicroCrater foam roller 4 Inches wide. 2 Pack of MicroCrater foam jumbo roller delivers the highest quality finish with foam, ideal for applying water based varnishes, gloss and eggshell paints. The Jumbo 16mm foam pile height carries more paint than a standard mini roller. The MicroCrater foam surface is distressed creating craters, this enables a large pick up and an even release over the surface allowing the paint or varnish to self level, this significantly improves the paint finish and does not leave an orange peel effect left by standard foam rollers. The paint or varnish must not be over rolled until the first coat is fully dried. Compatible allÂ mini roller handles, available on this web site.