3M™ Hookit™ Clean Sanding Low Profile Disc Pad 20350, 3 in x 1/2 in x 1/4-20 External 3 Holes Red FoamFor use with 3 in diameter Hookit™ Clean Sanding discs. Use with random orbital sanders with 1/4 - 20 internal threads. Made with Red Foam. MOS: 15,000 RPM/OPMPrice: $218.00
3M™ Clean Sanding Soft Disc Pad 20428, 3 in x 3/4 in x 1/4-20 External 6 HolesDesigned for use with 3 in Clean Sanding Hookit™ Discs. Pad is made with soft density foam for better conformability and allows the disc to flex which gives longer abrasive life in loading applications.
Suggested for applications using grade 220 and finer. 1/4-20 External Threads. MOS: 12,000 RPM/OPMPrice: $282.50