Gel Drive Insert, Red (Med-Max Flex) (Set of 3) OF9 making it the ideal concrete

making it the ideal concrete floor grinder

It removes mastics from floors without creating scratch patterns

Dual-Head Drive: Faster cutting capability and smoother movement across the surface

It’s all Fast n’ Easy with Onfloor

Gel Drive Insert, Red (Med-Max Flex) (Set of 3) OF9 making it the ideal concreteThe drive system in the OF30 series will undoubtedly feel better with these 3 sets of replacement kits. If your OF30 series machine needs a replacement gel drive, Onfloor technologies have the best kit to keep it going. Using other traditional gel drive systems could probably damage your OF30 series machine, and it will definitely give a low output while using them on your concrete floor.