Fangrui Product Details Heater Block Silicone Socks Are Suitable For Ender 3 V3 Se, For Ender 5 S1 And For Ender 7. For Ender 3 V3 Se Silicone Socks Are Made Of Heat-resistant Non-stick Silicone Material. The Black For Creality Ender 5 S1 Silicone Socks Are Made Of Heat-resistant Silicone, Which Helps Keep The Temperature Of The Hot End More Stable And Prevents Wear On The Heating Block. It Is Also Non-stick, Preventing Filaments From Sticking To The Heat Block Or Nozzle And Keeping It Clean. [strong Heat Resistance]for Ender 7 Silicone Socks Can Withstand High Temperatures Up To 280c. If The Nozzle Temperature Is Higher Than 280c, Please Remove The Silicone Cover Before Printing. 5 Pieces Of Silicone Socks, Suitable For Daily . The Silicone Cover Is Elastic And Can Be Placed On The Heat Insulation Block Near Your Home. It Is Sturdy, Not Easy To Fall Off, And Easy To Install. Colour:black Material:silicone Package Contents: 5 X Silicone Socks Only The Above Package Content, Other Products Are Not Included. Note