The Bahco 466-M Series magnetic levels have a unique design on the radius, end caps, fastening pins and convex radius and have eight rare earth magnetic, two vertical (plumb) vials and one horizontal vial. (only 1 vertical vial on 400mm) with and accuracy of 0.5 mm /m. The 1.7mm thick construction will not twist and these levels have a V groove at the bottom making these levels suitable for use with pipes. Machined surface on top and bottom. Anti-shock rubber end caps.Laser edged centre zero measuring scale along the edge. Anodised finish. 2 hand holes.