82574 Full Cable Twist Knot Cup Brush, Carbon Steel Wire, 6" Diameter, 5/8-11 Internal Thread, 0.023 Wire Size, 1-1/2" Trim Length, 6000 RPM$$Tools & Hardware Other

Brush weight is closer to machine spindle therefore easier to handle Shorter overall brush height Easily accessible with socket wrench Internal nut and double row Made in the USA