6Pcs Ender 3 S1 Silicone Sock, Ender 3 S1 Pro Silicone Sock, Sprite Extruder ...

Eventually, you have to change some parts when you have four printers operating, and these silicone covers suit my Enders wonderfully. Just needed to slide them over the heat block. They assist preserve some heat during printing and eliminate the risk of burns from inadvertently contacting the heat block after a print.

With having 4 printers going you eventually end up having to replace some parts and these silicone covers fit my Enders perfectly. Was as simple as slipping them over the heat block. No more getting burnt from accidently touching the heat block after a print and they help retain some heat during printing.