Cleco pliers were originally designed for the aircraft industry in the mid-20th century, used primarily for temporary fastening of sheet metal during fabrication and assembly. They work in conjunction with cleco fasteners (also spelled “cleko”), allowing panels to be precisely aligned and held in place before riveting or welding. Lightweight, spring-loaded, and easy to use with one hand, Cleo pliers have become a staple in aviation, automotive restoration, and coach building, wherever precision