... -01Sanding disc with velcro backingA, ZA, WA, Sic4 to 740 to 1200Velcro backingBE-02PSA Sanding discA, ZA, WA, Sic4 to 740 to 1200Self-adhesive backingBE ... -03Sanding disc with button backingA, ZA2, 360 to 1200Nylon velcro and metal backingCustomized designs are accepted. Abrasive sandpaper disc(Nylon ...