The difference between 3M's Hookit and Hookit II Hook-N-Loop Interface Systems
Cubitron II 3M Hookit Disc Pad - For Hook and Loop Discs - Use With Random Orbital Sanders, Rotary Sanders, Angle Grinders - 5" x 1/2" x 5/8-11 Thread - 28662: Hook
3M 55764 | Fisheries Supply
3M 7000119342 | 28531 Hookit 2-3/4" Diameter x 1/2" Thickness x 2.76 in OAL x 9" Width 33.0 Hole Sanding Pad - All Industrial Tool Supply
3M Hookit Sanding Disc Backing Pad 02700 3" x 1/2" 5/16-24 External Thread - New | eBay
Hookit™ 051111-55764 | Hubbard Supply Co.
Cubitron II 3M Hookit Disc Pad - For Hook and Loop Discs - Use With Random Orbital Sanders, Rotary Sanders, Angle Grinders - 3" x .5" - 28472: Hook And Loop Backing
3M Hookit Disc Pad, 5 in x 1/2 in 5/8-11 Internal, Hookit 28662, 60-4402-4148-1 | Hillas.com
Hookit™ Clean Sanding Backup Pad, 5" x 1/2" | West Marine
3M 7000118613 | 20425 Xtract 0.75 in Hole Diameter x 6" OAD x 1/2" Thickness x 10000 RPM 25 Hole Back-up Pad - All Industrial Tool Supply
Cubitron II Hookit Clean Sanding Low Profile Finishing Pad, 44 Holes - For Orbital and Random Orbital Sanders - Hook and Loop Attachment - 5' x 11/16' x 5/16-24 External - 20290:
3M Hookit Pad 20433, 3 in x 4 in x 1/2 in Red Foam 3" x 4": Hook And Loop Backing Pads: Amazon.com: Industrial & Scientific