Weiler 2-1/2″ Stem-Mounted Concave Crimped Wire Wheel provides a flexible brushing action for addressing corners and hard-to-reach areas on steel. The permanently-attached 1/4 in stem are intended for use on CNC,/Milling/Automatic Machines, Die Grinders, Drills, Drill Presses, Right Angle Die Grinders and Straight Grinders. Although they can also be mounted onto a drill, the speed and power of that tool will decrease the effectiveness of the brush. Featuring Weiler’s solid ring construction, these radial wheels are available in heat-treated steel, type 302 stainless steel and brass wire Saucer-shaped radial wheels permanently mounted on a 1/4″ stem to provide flexible brushing action for addressing corners and hard-to-reach areas. Crimped wire wheels with a permanently-attached 1/4 in stem or shank are primarily intended for use on high speed die grinders. Although they can also be mounted onto a drill, the speed and power of that tool will light weight the effectiveness of the brush. Featuring Weiler’s solid ring construction, these radial wheels are available in heat-treated steel, type 302 stainless steel and brass wire. .