Universal conversion disc with hook and lock backing converts 5 hole and 8 hole pressure sensitive adhesive orbital and DA sanders to hook and lock. Break-through innovation improves performance, extends sanding life and increases productivity.

Norton Backing Pad, 9 in Diameter, For Porter Cable Model 7800 Drywall Sander

Dewalt Backing Pad, 4-1/2 in Diameter, 16000 rpm Maximum, 5/8-11 Arbor, Paper, Includes: (1) Clamp Nut

Gator Backing Pad, Quick Change, Premium, 4-1/2 in Diameter, 13000 rpm Maximum, Used on Hand Held Angle Grinders

Dewalt Sanding Pad, 5 in Diameter, Grade: Medium, Rubber Abrasive, Black, 8 Hole, Hook and Loop Attachment, Used with the DW421K and DW423K Random Orbit Palm Sanders

Makita Backing Pad, Round, 5 in Diameter, Rubber, 8 Hole, Hook and Loop Attachment