HOOK&LOCK DSC 5"320G 50P *Brand Name: Diablo *Size: 5 in. *Material: Ceramic Blend *Attachment Style: Hook and Lock *Product Type: Sanding Disc *Grit: 320 Grit *Grade: Super Fine *Number in Package: 50 pk *Number of Holes: 12 *Color: Red *Discovery CON, NBR, SUP