Note: The color of the product we ship is the color in the first picture, and the specification and quantity are shipped according to the quantity and specification described in the title. If you need to change the color or style, you need to contact us within 12 hours after placing the order. Our product description: Feature: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Product material: Stainless Steel,PVC, Nylon4.Cartridge Heater 300W 10x100mm 220V 300W5.High heat transfer cartridge tube, 2 wires, corrosion resistant stainless steel heater.6.It is widely used in heating metal mold, moulds and dies, hot mould core box,vacuum equipments, bolt heating element, high-temperature equipments, hot stamping, etc.7.This high Quality single head electric heat pipe used for both ends of the wiring in not heating medium. Color:Silver,RedBrand name: BQLZRRated Voltage: 220 V Power: 300WWire Length: Approx. 26cmSize: Diameter 10 x 100mm/0.39 x 3.94InchProduct material: stainless steel,PVC, NylonWeight: 440gPackage Include:10 x Cartridge heater Note: Because the model and display effect of the monitor may be different, there may be slight differences in color, and the size is manually measured, there may be an error of 1-2cm, please understand.