Die Spring: compatible with most 3D Printer Bed, great Ender 3/2 TronXY X5S heat bed springs, flat top and stiffer;
Widely Use: Compatible with most 3D Printer Bed, great for Creality CR-10 10S S4 Ender 3 Heatbed Springs Bottom Connect Leveling.
Apologise and Declare: we are very sorry that because of our product is very popular on Amazon, being sold by other sellers now, this have mislead our customers. We statement: about the product Spring, we only sold on Fuyuansheng shop, other sellers are fake, is not our FYSETC brand, we will not offer after-sales guarantee if you pruchase wrong, thanks for your understanding.
Advantage: The springs are stiffer than ordinary springs, which help your 3D printer much more stable while printing.
After Sales Guarantee: each one desfective item can have the free replace or refund, need more help please feel free to email or QA us, we will try our best to service you.