L Shape Angle Square Broadside Knife Shaped 90 Degree Angle Blade Ruler

L Shape Angle Square Broadside Knife-Shaped 90 Degree Angle Blade Ruler Gauge Blade Square Ruler

This precision tool is designed for accurate 90° right angle measuring, making it ideal for layout and measurement work. The ruler features a knife edge for enhanced accuracy and is suitable for checking the squareness of edges.

• Bevelled blade on both sides for checking squareness using the light-gap method.
• Accuracy grade 1 with a squareness tolerance of 0.02-0.05 mm.
• Supplied in a protective case for safe storage.
• Beams and blades are ground and lapped for parallelism.
• 30° knife edge for precise measurements.

Specification:

• Size: Approximately 63x40mm, 80x50mm, 100x63mm, 125x80mm
• Edge angle: 30°
• Seat Width: 5mm
• Accuracy: Grade 1
• Tolerance: 0.02-0.05 mm

Package Content:

• 1 x Edge Square Ruler