Diablo 4-1/4 x 4-1/4" 150-Grit StickFast Palm Sander Sanding Sheets, 4-Pack are for removing minor imions and performing initial sanding between paint or stain coats. These sanding sheets are crafted from a premium aluminum oxide blend, ensuring fast material removal and a long sanding life. They feature Clog-SHIELD technology, which reduces pitch build-up and clogging through a unique blend of grinding agents. The StickFast backing uses an industrial-grade Pressure Sensitive Adhesive (PSA) to provide a strong, secure bond, making them i for use with 1/4 palm sanders on wood, metal, and plastics. Model Number: DCS045150P04G