Overview Reviews Product Description These brushes have a built-in working angle of 45° to clean surfaces in hard-to-reach areas such as inside corners, edges and contours. Knot-twisted brushes are tightly knotted to remove surface imperfections quickly and ensure a long, productive lifespan. Crimped brushes provide excellent cleaning on uneven surfaces. Walter Catalog Product Videos Custom Field Diameter 6" Width 1/2" Arbor 5/8"-11 Max RPM 12500 Wire diameter 0.020" Product Reviews Write a Review Write a Review × Walter 6 x 5/8"-11 Knot Twisted Conical Wire Brush 13H614 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *