These replacement pins are sized for the BeadSmith's 1.5mm Metal Hole Punch Pliers (XTL-0068). They are also compatible with the Vintaj Special Edition - 1.5mm Rivet Hole Punch Pliers For Sheet Metal (XTL-0059) TO REPLACE PIN: 1) Remove both nuts at the tip by turning them counter-clockwise. Use chain or flat nose pliers if needed to loosen nuts. 2) Remove the old pin and insert the new. 3) Replace the nuts, turning clockwise to fasten pin. Quantity: 2 Pins and 4 Nuts