Durable heavy-duty I-beam aluminium level with 1 x fixed horizontal vial and 1 x 180° rotating vial top easy to read centre vial. The horizontal vial can be viewed from both side and above for ease of use. Shock absorbing end caps and pipe groove for use on rounded surfaces. 2 vials. Accurate to ± 1.5mm/1m.Length 1000mm (40 in)