4-Piece Combination Square Includes: Machinist’s Blade Square/Miter Head Protractor Head Center Head Graduation Style: 4R: 8ths & 16ths, 32nds & 64ths 6″ Stainless Steel Rigid Rule (402-006SS) Features Made From The Finest Quality Steel AvailableAll Rules Fully Hardened And TemperedPrecisely Etched, Then Black Filled For Readability 6" 4R Double Square Graduation Style: 4R: 8ths & 16ths, 32nds & 64ths Features: Idea for Precision Layout WorkUsed Either as a Parallel or Double SquareAll Blades Fully Hardened and TemperedHigh Contrast, Micro-Fine Blade GraduationsDurable, Easy to Read Satin Chrome Finished Blades Wide Appliance Our squares are suitable for a wide range of precision measurement occasions , such as manufacturing aircraft, the automotive industry, carpentry, and mechanical work Bevel Protractors PEC was an American company based in California that makes many quality machinist tools.Our business is mostly based on scales / rulers and combo squares and blades.We make squares for many different company’s. Center Head The square itself is cast iron with all external surfaces ground very nicely. The fit and finish is outstanding. The external dimensions and graduations are all crisp without being sharp. The blade is satin Chrome with clear black graduations. Hardened Steel Square Head We also sell squares and blades on eBay and Walmart. You can see Products Engineering Corporation store on Walmart, or IndustrialScale store on ebay. Why Us? Many companies simply provide “good” customer support, doing only the minimum to keep their customers happy. PEC passion for ensuring customer experience borderlines on obsession to earn us loyal buyers. Regarding all deliveries, consignee/customer will be responsible for all additional accessorial fees including, but not limited to: Limited Access, Remote Access, Residential, Farm, Delivery Appointment, Lift Gate, White Glove Service, Re-consignment, Re-delivery and Inside Delivery. Regarding all deliveries, consignee/customer will be responsible for all additional accessorial fees including, but not limited to: Limited Access, Remote Access, Residential, Farm, Delivery Appointment, Lift Gate, White Glove Service, Re-consignment, Re-delivery and Inside Delivery.