Closed cell black roller unit Post author:kevinsartain_do82zc Post published: Post category:Hard Courts Closed cell black roller unit $85.00 The best roller unit made to date / the only type of roller you need to carry. Made of revolutionary Synthetic Rubber Composition, ready immediately to push water off the court, no pre-wetting necessary. You Might Also Like Steel PVA Roller Unit Closed cell black roller refill Cotter Pins (Box of 50)