Pretty tough. Simple but well done. Not for mainstream use but better than expected for home use at an atheistic price point and I think it will be good enough for light to medium commercial use. If you were to use it in the range of 10-20 times a day I think that's enough. When I worked for a firewood company in college, I used a model with a built-in tensioner and sealer, which I would recommend for all-day, continuous use, but it works well for anything less intense.
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