Bahco unique design (radius, end caps, fastening pins, convex radius). Two vertical (plumb) vials & one horizontal vial. (only 1 vertical vial on 400mm).
accuracy 0.5 mm /m.
thick construction will not twist: 1.7 mm thick profile.
v groove at the bottom.
machined surface on top & bottom.
anti-shock rubber end caps.
laser edged centre zero measuring scale along the edge.
anodised finish.
2 hand holes. (only 1 on 400mm).