Never used either shafts, im into the Fujikura shafts. Im thinking about changing the shaft in my r7 425 9.5 but it costs more then a new club so im going to wait a couple months work on the launch angle and get a 8.5 r7 425 TP. Thats a good price for the SUMO though, leme know how you like the square head...it seems funky
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