Contact Points tension tool

They vary. I don't blame you here is what I have the spring type goes to 2 lbs in 1/2 ounce increments almost new I used to use it, asking 45 shipped and the dial type like a sun but goes to 80 inc ounces 75 shipped. I have a sun one like the other member posted asking 225 for it which is a good price but way to high for what you are doing. Hope it helps. both work fine.

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