Cross dragonfly

Cross spirit levels GN 2276 are used to check the horizontal position of jigs, machines, devices, appliances and instruments. The spirit levels of type AV are aligned in relation to the reference surface so that the bubbles are centered in the middle of the marking lines once the horizontal position of the contact surface is reached. The spirit levels of type JV are aligned using the fastening holes that are offset by 120°. An alignment ball on the bottom serves as a pivot point. With careful tightening, it is possible to achieve an alignment that places the bubbles between the middle marking lines.