Weiler Vortec Crimped Wire Cup Brush is a professional shank-mounted brush designed for use with a 1/4" shank drill, making it i for power brushing applications. This versatile brush efficiently removes rust and paint, cleans pipes, and is for die, mold, and tool cleaning as well as spot facing tasks. The wire size measures .0118", ensuring effective abrasion and durability. Available in two sizes, the No. 36029 model features a 2" diameter and can operate at a maximum speed of 13,000 rpm, while the No. 36030 model has a 3" diameter and runs up to 6,000 rpm. Both models come individually packaged on a card for convenience and easy storage. Model Number: 36029 / 36030