PacTool set of specialized clamps that simplify and speed up siding installation. Designed for materials up to 5/16 inches thick, the kit includes two clamps that hold siding securely in place for accurate alignment and installation, allowing for solo work. The rubberized grips prevent surface damage, and the reliable cam mechanism ensures a secure lock. At 9.25 inches high and 3 inches wide, these tools make siding installation 50% faster than traditional methods.