Mirka 5" Solid Soft PSA Backup Pad, 105S this can be attributed to

this can be attributed to the synergistic effects found when two different particle sizes are blended together

Moisture‑resistant composite rotors

Advanced materials allows sanding of contoured parts and folding of paper without cracking

48" x 90' Premium Masking Film (2 Rolls)

Mirka 5" Solid Soft PSA Backup Pad, 105S this can be attributed toProduct Description: Mirka 5" Solid Soft PSA Backup Pad (105S) features a 5" diameter size and 5 16" x 24 male thread attachment and soft density. For use with Mirka 5" sanders and 5" size PSA sticky back sanding discs. Manufactured using advanced molded polymers and highest quality construction. Perfectly balanced to eliminate vibration and provide superior finishing. Features and Benefits: 5" (125 mm) diameter size and 5 16" x 24 male thread