Drillpro 90º Right Angle Ruler w/Box Precision Narrow Edge Square Ruler Measuring Tool

Description: Narrow side only width 7mm and 11mm, more convenient for narrow measuring; machinist precision edge square ruler, 90 right angle ruler engineer measuring tool. Specification: Material: Hardened Steel(45 steel) Overall Size: 63x40mm, 80x50mm, 125x80mm Narrow side: 7mm, 7mm, 11mm Edge angle: 30 Use For: Measuring right angle, designed for precision layout and measurement work. Features: 1. For checking the squareness of an edge, using the light-gap method. The blade is bevelled on both sides. 2. Narrow side only width 7mm and 11mm, more convenient for narrow measuring; it isupplied in a protective case. 3. Beams and blades are ground and lapped for parallelism. 5. 30 edge, beams and blades are ground and lapped. Package Included: 1 x Edge Square Ruler More Details: