2-3/4" x 16-1/2" 40GR Carbo Premier Red Stick-On Sheets (50/box) Application Info: 21337 Premier Red 2-3/4" x 16-1/2" PSA 40E Body File Sheets. Premier Red body file sheets come in Clip-On, Stick-On and Grip-On. The self-sharpening zirconia alumina grain improves cut rate, minimizes loading and reduces heat. The durable E-weight latex reinforced paper backing resists tearing and is ideal for sanding body filler. Ultimate choice for sanding body filler, sanding bare metal and stripping paint. FEATURES & BENEFITS • Premium zirconia alumina abrasive is self-sharpening grain for super fast cut and long life • Full phenolic resin bond system plus latex is tough yet flexible and yields excellent grain adhesion • Red colored, E-weight latex paper backing resists tearing and shredding for a longer life