... clogging, not hurting work-pieces l Used for polish a Abrasive Sanding Disc. Item No.:BEMaterial: High quality sandpaper, sand clothAdvantage:l ... backingA, ZA, WA, Sic4 to 740 to 1200Velcro backingBE-02PSA Sanding disc A, ZA, WA, Sic4 to 740 to 1200Self-adhesive ... , 360 to 1200Nylon velcro and metal backingCustomized designs are accepted. ... Abrasive Sanding Disc