ITEM: Series S1, 6 Wide x 31/8 High, Compound Precision Sine Plate SUBURBAN TOOL. MANUFACTURER: SUBURBAN TOOL. BRAND: Suburban Tool. MANUFACTURER PART: SPC66S1. Series S1, 6 Wide x 31/8 High, Compound Precision Sine Plate 1/420 Hole, 5 (C1);5 (C2) Roll Centerline, 0.0002 Parallelism, 0.0002 Squareness (MOQ1, Pkg Qty1)CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Stationary Fixturing Stands & Mounts. Angle Plates, Sine Plates & Box Parallels. N/A. TOTAL RECYCLED CONTENT: 10.00%. POSTCONSUMER RECYCLED CONTENT: 1.00%. KEYWORDS: Suburban ToolStationary Fixturing Stands & MountsAngle Plates, Sine Plates & Box ParallelsSine PlatesN/A.