today I received a chain breaker I bought on ebay for 7bucks with shipping, I tried it on the 3/16 415 motor chain and it works beautifully. I had no idea that it would when I bought it. It is a summit brand and it is one big mutha. Just thought I would pass it along. I broke the first chain a minute ago to test it and it worked beautifully. Cant speak to how long it will last yet but it broke the motor chain without breaking a sweat.

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