RockSolid, 9", Rocksolid 6X Roller Cover, Specifically Designed Polyester Honeycomb Roller Exclusively For Rocksolid 6X Resurfacer, Absorbs & Releases Exactly The Right Amount Of Coating, Roll Back & Forth With Ease For Faster Application, Allows For A Perfect 1 Coat Application Every Time, Specifically Designed To Work With 6X Resurfacer.