Greenlee 51042340 Replacement Punch Assembly Kit is a replacement punch designed for 2-1/2 inch (63.5 mm) openings. The part number 51042340 identifies this specific replacement punch, intended to restore a punch assembly to its correct 2-1/2 inch size. The 63.5 mm specification confirms the punching diameter for compatible applications requiring a 2-1/2 inch opening.
