PERFORATION PATTERN LIBRARY Round Hole Staggered Pitch Round Hole Square Pitch Square Hole Staggered Pitch Square Hole Square Grid Slotted Grid Hexagonal Pitch Designer Series Round Hole Square Pitch RO4SG-40 RO5SG-46 RO6SG-50 RO6SG-50 RO6SG-39 RO7SG-44 RO8SG-56 RO8SG-46 RO8SG-37 RO8SG-26 RO10SG-46 RO10SG-35 RO8SG-26 RO10SG-46 RO10SG-35 RO12SG-35 RO12SG-52 RO16SG-48 RO16SG-35 RO21SG-51 RO30SG-44