Specification Brand : LiebeWH BulletPoint : 1 BulletPoint1 : Good insulation, anti-static, no electric leak, no flame, in order to ensure safety. BulletPoint2 : High quality heating cores are resistant to , oxidation acid, alkali, high temperature, and have service life. BulletPoint3 : These soldering iron heating elements are made of ceramic materials, two line heating mode, stable quality, superior performance. BulletPoint4 : Optimal performance, fast heating, high heating efficiency, fast heat conduction. BulletPoint5 : Small size, light weight, 10 pieces in this set that suitable for internal heat soldering irons. Color : Black ExternallyAssignedProductIdentifier : 3020006751239 ExternallyAssignedProductIdentifier1 : 0732258213313 ExternallyAssignedProductIdentifier2 : 732258213313 HeatingElementType : Ceramic IncludedComponents : 1 ItemLength : 3.26 inches ItemName : 10 Pcs Ceramic Core Heating Soldering Ceramic Heater for Soldering Iron Heating Two Wire Core Replacement Heater ItemPackageDimensions_Height : 0.01 inches ItemPackageDimensions_Length : 3.15 inches ItemPackageDimensions_Width : 0.39 inches ItemPackageQuantity : 1 ItemTypeKeyword : soldering-irons Manufacturer : LiebeWH Material : ceramic ModelName : 1 ModelNumber : 1 PartNumber : 48451120 PowerSourceType : Corded Electric ProductDescription : Specification: Features: These soldering iron heating elements are made of ceramic materials, two line heating mode, stable quality, superior performance. High quality heating cores are resistant to , oxidation acid, alkali, high temperature, and have service life. Optimal performance, fast heating, high heating efficiency, fast heat conduction. Good insulation, anti-static, no electric leak, no flame, in order to ensure safety. Small size, light weight, 10 pieces in this set that suitable for internal heat soldering irons. Specifications: Type: Internal heat Material: Ceramic Length: 8.3cm/3.26in Diameter: 0.4cm/0.15in Input Voltage: 220V(50Hz) Power: 20W Resistance: >100MΩ Quantity: 10pcs Package Includes: 10 x Heating Elements Note: Please allow small size error due to manual measurement. Thanks for your understanding.