Divine Brothers SFX6X1 Drive Flange for Cutmaster Buffs, 6-Inch Diameter x 1-Inch Arbor Hole 6" diameter drive flanges used on buffs with 5" center plates 1" arbor hole Quantity 2 drive flanges, sold individually, are required for a Cutmaster Buff with a 5" center plate Must be used on all bias buff wheels Provides the stability and drive needed to lock down the buff face to the buffing arbor/shaft