Microfiber Rollers for all types of paint applications. For use with clip style American Roller Handle. 4" and 6" in Length available. 5 Types Available! Rough Exterior Polyamide: 12mm Pile- Thick pile for rough and exterior surfaces. Multi-use Regular Polyester: 10mm Pile - Microfiber rollers for all regular surfaces. Matte Hidensity Irregular: 10mm Pile - Microfiber rollers with hi-density pile for all irregular surfaces. Multi-use Regular Anti-drip: 10mm Pile - Microfiber rollers for all regular surfaces. Specialized to minimize drips. Lacquer Varnish Regular: 4mm Pile - Low pile microfiber roller perfect for lacquer varnishes but great for all regular surfaces. Made in France