BetterGrip 9" Paint Roller Kit. Our Patent Pending design allows average painters to create professional results, in less time, with less frustration and fatigue. Natural hand position reduces soreness and fatigue. 3-piece frame attaches to both sides of the cover, allowing you to apply equal pressure, which creates better result in less time. An extension handle is included with each kit. For hard to reach places, a standard extension pole can be used. Fits most standard 9-inch roller covers. 3-piece frame allows you to easily change out the roller cover after each use, with less mess.