The composition can be modified at your request. In this case, specify it improvising it by eBay messaging. The Set can be modified (quantity, diameter ) on Request, only thru "my ebay> messages". Please note, disassembly and reassembly of a keyboard are only doable by a careful and experienced handyman! The parts I provide are provided for the models mentioned at the top of the ad, for the use for which they are made for normal use. In any case, I will not be responsible for damage caused by a repair not made in the rules of the art. If you need technical advice, please consult the FAQ as well as the "tips and tricks" of my diato site. bzh When in doubt, have your instrument repaired by a competent accordion repairer, changing a spring is not expensive ;-) A very légère trace of oxi.
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