Available in either 1/4″-20 or 3/8″-16, the Round Bubble Level can be attached to a single mounting point to provide a low-profile spirit level for leveling equipment.

Specifications:
Round Bubble Level (3/8″-16): 3g (0.007 lbs) 7.5 x 7.5 x 13 mm (0.3 x 0.3 x 0.52 in)
Round Bubble Level (1/4″-20): 2g (0.004 lbs) 6.25 x 6.25 x 19 mm (0.25 x 0.25 x 0.25 in)