Pinit VP-35, BACKING PLATE MINI 3.5" $13.46 SKU: VP-35 SALES UNIT: EACH DetailsDetailsBACKING PLATE MINI 3.5" - Mini Velcro Backing Plate to be used with 3 - 4 Inch Pads. Fits 5/8" - 11 Arbor Spindle. Includes Hand Drill Adaptor. - 1ea.