RANDOM ORBITAL BACKUP PADS 6 INCH < > 6” (152 mm) Low Profile Product Details Additional Information 6” (152 mm) Low Profile (5/16-24 thread) Medium Urethane Molded Pads (130 grams). Type Face Part No. Non-Vacuum PSA 2960000 Non-Vacuum Hook 2960001 Non-Vacuum J-Hook 2960002 Vacuum 6-hole PSA 2960010 Vacuum 6-hole Hook 2960011 Vacuum 6-hole J-Hook 2960012