Bergeon Cannon pinion tightener We stocked this tool at the request of watchmakers who used it daily due to its impressive results. According to them, close the pliers in the proper position on the cannon pinion and turn down the screw so that the cannon pinion can't be crushed. Then one tap of the screwhead on the workbench is all it takes. It is probably due to the weight of the tool (over 4 oz.). It has box joints (not lap) and is very nicely finished. 120 mm long. Swiss-made.




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Terms: ***We will not ship to Italy! NO SHIPMENTS TO ITALY!! We will not keep losing money shipping things to Italy.*** Anywhere else in the world is O.K. Please e-mail any questions prior to buying. Payment must be received within 10 days of purchase.