ITEM: Combination Square Clamp Screw and Nut Assembly PEC TOOLS. MANUFACTURER: PEC TOOLS. BRAND: PEC Tools. MANUFACTURER PART: 12CSA. Combination Square Clamp Screw and Nut Assembly For Use with PEC and MSC Square, Center and Protractor Heads Except Brown and Sharpe or Starrett (MOQ1, Pkg Qty1)CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Dimensional Measuring Tools. Squares, Combination Squares & Protractors. Combination Squares & Accessories. Combination Square Bolts & Screws. TOTAL RECYCLED CONTENT: 10.00%. POSTCONSUMER RECYCLED CONTENT: 1.00%. KEYWORDS: PEC ToolsDimensional Measuring ToolsSquares, Combination Squares & ProtractorsCombination Squares & AccessoriesCombination Square Bolts & Screws.