3M Stikit 216U disc rolls are multiple adhesive-backed abrasive discs rolled onto a core. This makes them easy to tear off one at a time for speed and efficiency and there's no need for liners which saves on material costs. These ready-to-use Stikit discs feature a pressure sensitive adhesive coating on the backs - simply press the disc onto the backup pad and you're ready to go. They remove just as cleanly, leaving an uncontaminated surface for the next disc. We recommend using Stikit discs with 3M Stikit disc pads. - 3M Stikit gold disc roll 216U features aluminum oxide mineral abrasive for a sharp cut and uniform finish during collision repair. These tear-off discs are packed into a single roll and feature Stikit adhesive attachment, making them exceptionally fast and easy to use. Load-resistant coating and available 7-hole pattern help clear dust from the disc surface for longer life.