The Bahco 466 series levels have a unique design on the radius end caps fastening pins & convex radius. They have two vertical (plumb) vials & one horizontal vial. (only 1 vertical vial on 400 mm.) with an accuracy of 0.5 mm./m. The thick 1.7 mm. profile construction will not twist & it has a V groove at the bottom making these levels ideal to be used on pipes. 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 400 mm.). Length: 400mm.