This mini roller kit includes 1 - 10 Pack of 4 in. x 3/8 in. microfiber rollers 4-MFR#CK, 1 - 4 in. Barracuda mini roller frame RF810-11, 1 - 7 in. plastic roller tray RM-007. The European Microfiber included in this kit holds more paint and delivers it to the wall with less friction, leaving behind a smoother finish than you have ever witnessed on the job.