Box section anodized finish aluminium level.Accuracy ± 0.5 mm/m.Barrel-type vials.Vial liquid is resistant to UV light.High visibility.Unbreakable vials.Shock-absorbing end caps protect against damage when dropped.Thick profile.Magnetic versions are available in 400, 600, 800, 1000 and 1200 mm (-M).Bi-material handle.Milled measuring surfaces.V groove base.Strong, thick aluminium profile.Easy to use thanks to hand holes on either side.Large vials for easy reading even in low light.Measuring scale (for indication purposes only).Oversized, shock absorbing rubber end caps