The Generation X Wall Brush is a professional grade brush with a stainless steel ferrule with round corners and sealed birch, beaver tail handle.  100% Chinex Bristle is a firmer filament, that is great for latex & Waterborne paints.  Used on walls.  The razor edge allows for perfect cutting in.  Designed to hold more paint and allow for better release of paint.  Cleans out quickly.

GEN X Chinex Bristle Wall Paint Brush