Can't say they helped my prints (they weren't bad at first) but they made the bed VERY sturdy (no more loose springs). The price is at least double what it should be for these. They are literally extensions of the rubber feet found on small coasters, planters or at the end of a pole so as not to scratch anything. They also seem to be quite durable compared to spring. If you typically need a lot of bed adjustment (up and down), this may not work. They compress quite a bit, not what traditional springs compress. After installation and adjustment, the bed will become absolutely durable. I would highly recommend shopping as almost $12 is quite steep for them. I would recommend them, however they are a great addition to your printer's stability and customization.
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