Able to be read even from distance and in low light conditions, Lev-o-gage 7 measures angular tilt from -11° to +11°. Numerals and hashmarks are engraved and hand-filled with acrylic Titanium white paint for visibility and durability. Glass tube assembly is constructed of Pyrex borosilicate, and Saturn yellow color contrasts black indicator ball. Featuring damping fluid that works over -40 to +125°F range, 5.85 x 2.12 x .50 in. instrument offers ±1.0° angular tolerance and 1° resolution.