The Imex Storm Professional 900mm Spirit Level with 1 Horizontal and 2 vertical vial The Imex SP90 is a Heavy Duty Professional Spirit Level measuring 900mm in length. The Storm series from IMEX incorporate high accuracy vials with a rugged double ribbed reinforced high visibility box section. For all-day use by every professional tradesman, manufactured in Europe to IMEX exacting standard, these spirit levels stand up to the harshest working environments. Features: Storm range comes in 600, 800, 900, 1200, 1800, 2000 and 2400mm lengths Extra Strong Lightweight 1 Horizontal and 2 vertical vials 30 year guarantee on the vials European manufacture, high accuracy Heavy-duty double ribbed Shockproof ends Machined base Specification: Model: SP90 Length: 900mm Accuracy 0.3mm/m Vials Markings: for 2 degree slope Base Machine finish on: 600mm, 900mm and 1200mm