HOOK&LOCK DISC 5"40G 4PK *Brand Name: Diablo *Size: 5 in. *Material: Ceramic Blend *Attachment Style: Hook and Lock *Product Type: Sanding Disc *Grit: 40 Grit *Grade: Ultra Coarse *Number in Package: 4 pk *Number of Holes: 12 *Color: Red *Discovery CON, NBR