3M Stikit Disc Pads hold 3M Stikit discs for use with disc, random orbital, and rotary sanders. They have a tough vinyl face that provides excellent disc adhesion yet allows quick, easy disc removal.3M Cubitron II Hookit Clean Sanding Abrasive Discs 737U combines the highest 3M technologies for automotive repair. Its long-lasting sharp triangular shaped grain and multi-hole pattern for superior dust extraction make the disc ideal for paint removal, rough body filler shaping, fine feather-edging or final prep before blending or priming. The Hookit system makes for quick disc change-outs.