Silicone bed leveling spacer 4-pack
Upgrade from your bed level springs.
Silicone has nearly no change in size when subjected to temperature changes unlike metal springs.
NOTE: One silicone spacer out of the four is slightly shorter specifically for machines with cable strain relief for the heated bed. Machines like the Ender 3 series and CR-10 series of creality machines. You can use these for beds without this type of cable strain relief, you will need to tighten down the other 3 corners to compensate or print a small spacer.