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

Specification:

Material: Stainless steel

Size: 63x40mm, 80x50mm, 100x63mm, 125x80mm

(2.48x1.57'', 3.15x1.97'', 3.94x2.48'', 4.92x3.15'')

Edge angle: 30°

Seat Width: 5mm

Accuracy: Grade 1

Tolerance 0.02-0.05 mm

Use For: 90° right angle measuring, 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. Accuracy grade 1, squareness tolerance of 0.02-0.05 mm.

3. Supplied in a protective case.

4. Beams and blades are ground and lapped for parallelism.

5. 30° Knife edge, beams and blades are ground and lapped.

Package Included:

1 x Edge Square Ruler