This pair of 18" fixed jaw parallel clamp's features a large, flat parallel clamping surface made of impact and break resistant polyamide that comes with three replaceable pressure caps that are glue, paint and grease resistant. The internal frame ensures accurate 90-degree angles which are very sturdy even at maximum pressures. A large, comfortable two-component composite handle with a soft plastic insert makes a comfortable grip. Rail protection pieces made of same glue resistant polyamide elevate the workpiece from the rail, and the removable end rail clip ensures that the clamp sits parallel to the rail and can easily be removed to reverse sliding arm for use as a spreader.