Geevorks Silicone Cover,Silicone Cover Case 3 3 Mk8 Silicone Socks 5 Cr-10 Silicone Socks Compatible 10s S4 S5 3 5 Heat Block Silicone Cover Case Mk8 Block Silicone Cover 3d Printer Ldhs

Can extend the life of the heater block and extruder by keeping it cleaner. Any problem, please contact our store without hesitation. Honor to serve you. Made of non-stick silicone material, durable and high temperature resistant. Helps to keep the hot end temperature extremely stable. 4pcs heat block silicone cover for printer hotend or extruder.