We were excited to install this product mentioned as an update from a youtube video as we were having trouble fitting the bed with the stock ender 3 per align springs . .They arrived quickly but the stiffer springs were too long causing our printhead to bang against the bed. Even fully compressing the springs with our weight on the bed and the dials fully screwed in wasn't enough. I strongly do not recommend these springs for Ender 3 Pro.
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