THORLABS BHM6 Breadboard Mountable Beam Height Ruler (1,38"x 4,08")

Ruler Surface Dimensions (W x H): 1.38" x 4.08" (35.05 mm x 103.51 mm)

Footprint (L x W):0.38" x 1.38" (9.55 mm x 35.05 mm)

Thickness: 0.13" (3.18 mm)

Numbered Graduations: Every 1/2" and 10 mm

Graduations: 1/16" and 1.0 mm

Hole Diameter and Spacing: 

1.12 mm (0.04") with 0.25" Spacing,

1.27 mm (0.05") with 5.00 mm Spacing, 

2.25 mm (0.09") with 10.00 mm Spacing

Damage Threshold: >350 J/cm2 (1064 nm, 20 ns, 20 Hz, Ø1.14 mm)