Additional feature Round horizontal vial with magnifying glass effect Additional feature Edgeless horizontal vial creates distortion-free view of the vial bubble, even with envelope measurement Additional feature Durable due to strong wall and shock-absorbing rubber end caps Additional feature Lifetime high measurement accuracy (0.5 mm/m) due to ultrasonically welded vials Additional feature Envelope measurement possible (0.75 mm/m) Additional feature Anodized surface Profile thickness mm 1.6 Vials 2 Length cm 200.