Shard Filaments for ultra-smooth loading and release. Form Recovery Technology gives an ultra-sharp cutting line and maintains the brush's shape after washing. Seamless ferrule so no paint or wash water collects inside the brush. FSC wood handle. Ideal for water-based paints including emulsions (eg. matt, silk, eggshell), gloss and satin, as well as woodstains and varnishes. Get the ultimate finish effortlessly with ProDec's unique Shard Filaments for ultra-smooth paint release. Form Recovery Technology gives ultra-sharp straight lines and maintains the brush's shape after washing. Seamless ferrule prevents paint or water collecting inside the brush and giving watery streaks on next use. 2.5" (63mm) size for cutting in edges on walls and ceilings, doors and cabinets.