Rubber grip pliers. 8mm 20, 9mm 20, 10mm 20, 11mm 20, 12mm 20, 13mm 20, 14mm 20, 15mm 20, 16mm 20, 17mm 20, 18mm 20, 19mm 20, 20mm 20, 21mm 20, 22mm 20, 23mm 20, 24mm 20, 25mm 20. Put a new link pin into one of the hole of the strap and then use the spring bar tool with a tiny press, the fitting is done as well.
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