3D Printer Heated Block Silicone Sock or Boot for Makerbot MK7 MK8 MK9 Hotends plus Ender 3 CR10 ANET A8 and many many more popular 3D Printers

High temperature resistance up to 280 ° C.

Made of non-stick silicone material.

Hot ends heat quicker and helps to keep the temperature extremely stable