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This kit is to upgrade your Extender Frame 3.0 to the BOOSTER BAND set up.
This upgrade will enable you to make incremental adjustments to your extender tension within seconds. Tension can now range from 0.1kg all the way to 10kg.
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When Mike says its quicker than thumbscrews he wasn't kidding! thanks for constantly improving this design. I really like this now.
Now you can increase/decrease tension very quickly all the way up to 10kg!
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