3M Auto-Pak Press ’N Sand Vibrator Sander Conversion Pad – 3 ⅔″ × 9″ (Part No. 03139)

This is a brand-new 3M Auto‑Pak Press ’N Sand conversion pad (model 03139), designed specifically for vibrator (vibro) sanders. It allows standard flat sanding surfaces to be converted to use adhesive ("sticky-back") Auto‑Pak sanding sheets, offering quick changes and clean, efficient sanding. Great for priming, spot putty, and paint prep tasks on car surfaces.