For perfect results a joint must be firmly clamped until the glue has had a chance to cure. This could possibly cause a problem with large joinery projects, when the finished article may require something bigger or stronger than a standard sash clamp. The Axminster Trade door clamps are much stronger than traditional sash clamps. The heavy I-beam, girder-like, cross section ensures these clamps remain flat and straight under load. As the name suggests, these are intended for use on such items as doors, windows and similar. Our door clamps feature large clamping faces, the tailpiece is movable and locks with a pin in any one of a number of holes along the length of the clamp. The strong trapezoidal screw thread has a large handle for applying the necessary clamping force.