Specification Brand : POLISI3D BulletPoint1 : As you can see, our silicone sock has a very good edge treatment,the outer wall is very smooth BulletPoint2 : Made of high temperature Silicone material , can work for long time at 300C degree. But PLEASE NOTE if your printing temperature is over 300°C degree, please remove the silicone cover before starting printing. BulletPoint3 : It can be assembled more perfectly to fit the heater block. BulletPoint4 : Compatible with Prusa I3 MK4 MK3.9 3D Printers and other printers with Using Nextruder Heating Block BulletPoint5 : Package: 3pcs Silicone covers BulletPoint6 : 【Recommended Printing Settings】For optimal results, print with High-Speed PLA at a nozzle/extruder temperature of 230°C - 260°C (446°F - 500°F) and a bed/platform temperature of 50°C - 60°C (122°F - 140°F). BulletPoint7 : 【Vacuum-Sealed Protection】Dried and packed in 100% vacuum-sealed bags, Inslogic High-Speed PLA protects against moisture for optimal print performance. BulletPoint8 : 【After-Sales Support】Inslogic offers comprehensive after-sales service and technical support. Contact us anytime with any questions. Color : Purple ExternallyAssignedProductIdentifier1 : 849344048824 ExternallyAssignedProductIdentifier2 : 0849344048824 GpsrSafetyAttestation : 1 ItemName : 3pcs Silicone Socks Cover 300°C High Temperature Compatible with Prusa I3 MK4 MK3.9 XL Project Nextruder Hotend Replacement (Silicone Socks) ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 1.8 centimeters ItemPackageDimensions_Width : 4.7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : 3d-printer-accessories Manufacturer : POLISI3D Material : Silicone Material1 : Metal Material2 : Acrylonitrile Butadiene Styrene ModelNumber : MK4 Parts NumberOfBoxes : 1 NumberOfItems : 3 PartNumber : MK4 Parts ProductDescription : Compatible with Prusa I3 MK4 MK3.9 3D Printers and other printers with Using Nextruder Heating Block ProductSiteLaunchDate : 2024-01-10T09:57:43.055Z Size : 1KG Style : Silicone Socks SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 3 UnspscCode : 53102400 WarrantyDescription : 30-DAYS