Patent ID: 7765706

Claim:
A level comprising: a level body comprised of a hollow profiled section having a bottom wall whose underside forms a measuring surface and further having a top wall and sidewalls, the sidewalls connecting the bottom wall and the top wall; the level body having a window opening; a horizontal vial for horizontal measurement, wherein the horizontal vial is arranged in the window opening of the level body; a securing device for mounting the horizontal vial within the level body, wherein the securing device comprises a vial holder, in which the horizontal vial is secured, and at least one clamping part that is movable relative to the vial holder for clamping the securing device in the level body; wherein in the mounted state of the securing device the at least one clamping part is supported on an inner side of the top wall and the vial holder is pressed against an inner side of the bottom wall; wherein the clamping part comprises two arms and a connecting leg connecting the two arms to one another, wherein the two arms in the mounted state of the securing device are positioned at an angle of less than 45 E relative to a normal line to the measuring surface, wherein free ends of the arms remote from the connecting leg, when viewed in a vertical longitudinal section of the level body, are supported on opposed sides of the window opening on the inner side of the top wall.