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Old 12-26-2012, 05:00 PM   #40
Andyroo10567's Avatar
Join Date: Nov 2011
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Posts: 1,140

No, i dont think you need a tension calibrator for a drop weight machine. I'm pretty sure there only used for electric machines and lock out machines.
Racquet : TGK238.1 2X / Head YTPP 1X
Strings : BHB7 17G 49lb / LUX 4g Rough 17G
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