4" Standard Twist Knot Wheel.
Coarse wire, 1/2"-3/8" Arbor hole. 20,000 Max RPM.
Fits air and electric die grinders and can also
be used on bench grinders with a 1/2" or 3/8"
shaft. Excellent heavy-duty brush for removing
paint, rust, dirt and corrosion. Also can be used
for roughening for adhesion.
