NEIKO 30263A - 6 inch Sanding Discs Hook and Loop, 5/16” Arbor with 24 Thread Mounts, 10,000 RPM, Sanding Pads for Orbital Sander and DA Sander, Hook n Loop Backing Pad :
Velcro Sticky Backing Pad
ATS Diamond Tools - Rubber Velcro Backing Pad M14
Sanding Backing Pad Velcro 150mm
Flexipads 17075 5/16 UNF 150mm Random Orbital Sander Velcro Backing Pads (6 Holes, Medium Density)
Fast Mover Sander Velcro Back Pad 150mm
Flexipads 125mm (5") M14 Soft Velcro Rotary Backing Pad (10398)
Sealey 145MM DA Velcro Sander Backing Pad For 6"(150MM) Discs