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Product Description
UL19 upgrade shaft and collet
Proboat shaft is 4mm wire – 3/16″ stub
RCBB shaft is 3/16″ wire – 3/16″ stub so no strut or drive dog change required
Either remove the teflon liner to accept the larger dia wire or do the job properly with following 3/16″ tube and liner- 514B20, 212B20.