Toggle clamp, comprising: - a base (12; 122; 162), - a clamping arm (20; 126; 167) articulated to the base (12; 122; 162) for pivotal movement about a first pivot axis (18; 166), - a handle articulated to the clamping arm for pivotal movement about a second pivot axis, and a bridge element articulated to the handle for pivotal movement about a third pivot axis, or - a handle (130; 172) articulated to the base (122; 162) for pivotal movement about a second pivot axis, and a bridge element (138; 178) articulated to the clamping arm (126; 167) for pivotal movement about a third pivot axis, - a first wedge element (60; 134; 182) having a first wedge surface, said first wedge element (60; 134; 182) being linearly guided on a guide (58; 132; 180), wherein the bridge element (57; 138; 178) is connected to the first wedge element (60; 134; 182) and is articulated to the first wedge element (60; 134; 182) for pivotal movement about a fourth pivot axis (72; 186), - a second wedge element (74; 136; 188) having a second wedge surface facing towards the first wedge surface, said second wedge element (74; 136; 188) being adapted to the first wedge element (60; 134; 182) and being linearly guided, wherein in a first positional range of the handle (40; 130; 172), the first wedge surface and the second wedge surface are spaced apart from one another and wherein in a second positional range of the handle (40; 130; 172), the second wedge surface is supported on the first wedge surface and a displacement of the first wedge element (60; 134; 182) drives a displacement of the second wedge element (74; 136; 188), and - an adjustment device which acts on the second wedge element (74; 136; 188) and which provides a capability of adjusting a position of the second wedge element (74; 136; 188) in which the first wedge element (60; 134; 182) acts on the second wedge element (74; 136; 188) for driving it, wherein the adjustment device is arranged on the bridge element (57; 138; 178) and is held on the bridge element (57; 138; 178), characterized in that the adjustment device comprises an operative element located on the bridge element (57; 138; 178) for pivotal movement about a fifth pivot axis. - a base (12; 122; 162), - a clamping arm (20; 126; 167) articulated to the base (12; 122; 162) for pivotal movement about a first pivot axis (18; 166), - a handle articulated to the clamping arm for pivotal movement about a second pivot axis, and a bridge element articulated to the handle for pivotal movement about a third pivot axis, or - a handle (130; 172) articulated to the base (122; 162) for pivotal movement about a second pivot axis, and a bridge element (138; 178) articulated to the clamping arm (126; 167) for pivotal movement about a third pivot axis, - a first wedge element (60; 134; 182) having a first wedge surface, said first wedge element (60; 134; 182) being linearly guided on a guide (58; 132; 180), wherein the bridge element (57; 138; 178) is connected to the first wedge element (60; 134; 182) and is articulated to the first wedge element (60; 134; 182) for pivotal movement about a fourth pivot axis (72; 186), - a second wedge element (74; 136; 188) having a second wedge surface facing towards the first wedge surface, said second wedge element (74; 136; 188) being adapted to the first wedge element (60; 134; 182) and being linearly guided, wherein in a first positional range of the handle (40; 130; 172), the first wedge surface and the second wedge surface are spaced apart from one another and wherein in a second positional range of the handle (40; 130; 172), the second wedge surface is supported on the first wedge surface and a displacement of the first wedge element (60; 134; 182) drives a displacement of the second wedge element (74; 136; 188), and - an adjustment device which acts on the second wedge element (74; 136; 188) and which provides a capability of adjusting a position of the second wedge element (74; 136; 188) in which the first wedge element (60; 134; 182) acts on the second wedge element (74; 136; 188) for driving it, wherein the adjustment device is arranged on the bridge element (57; 138; 178) and is held on the bridge element (57; 138; 178),