Spirit levels made from anodized profile aluminium, with 2 unbreakable vials, accuracy: 1 mm/m
Spirit levels made from die-cast aluminium, with 1 ground base and 2 unbreakable vials, accuracy: 1 mm/m
1696B
Spirit levels with magnetic bases made from anodized profiled aluminium, 2 unbreakable vials accuracy: 1 mm/m