Image shown is actual grain. These 7" x 5/16" Slotted Edger Sanding Discs come in ZIRCONIA ALUMINA Cloth shown here or Silicon Carbide Paper, but are also available in other abrasives by request. EZ is a NEW "X" weight alumina ZIRCONIA poly cotton coated abrasive material, with a closed coat. Keystone Abrasives can make any size disc to fit your need and we supply many quality floor sanding products! Keystone Abrasives warranties all of our discs for manufacturer’s defects and your satisfaction is completely guaranteed!