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Great vid!
What is difference from BT01 and BT04 Just length?
I believe length and the way it lock into position. the 2 adjustment nuts, 1 locks into vertical position and the other can be used to lock the height.
Great vid!
What is difference from BT01 and BT04 Just length?
I believe length and the way it lock into position. the 2 adjustment nuts, 1 locks into vertical position and the other can be used to lock the height.