Following are among the many generally used 201 Stainless Steel cartridge heaters, please click on the size to go to the right specification page. Also, the warmers can be custom for various sizes, power and voltage, whenever you need, please touch with us freely. 6mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm40-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 7mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 8mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm eight Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 9mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500m If you would like extra size,please link here to find:Tube Dia. 6-9mmTube Dia. nine Dia. 12 Dia. 17-25mm High-density 6mm Cartridge Mold Heating Element Heater 400W/420W/430W/450W 110V/220V/380V 265mm-300mm 5pcs/lot Specifications: Product Name: Cartridge HeaterMaterial: 201 Stainless SteelTube Diameter: 6mmTube Length: 265mm/270mm/280mm/290mm/300mmWire Length: 300mm(11")Power: 400W/420W/430W/450W Voltage: 110V/220V/380VPackage: 5pcs/lot 6mm Cartridge Heater Pay attention: Power Allowance -10%~+5% Shopping Tips: 1: Suitable for abrasives heating. Common Application Industry:Core capturing Machine,packaging machinery,flat vulcanizing machine, and so on spot is never relevant to liquid and air heating, non-standard merchandise can contact us for custom. 2. How to make your intellect up the right specifications? 1)Voltage: (110V/220V/380V/12V/24V and so on)2)Wattage: (there is error -10% - +5%)3)Tube Diameter:(The default diameter is a adverse tolerance. For example:10mm is 9)Tube Length: (The default diameter is +/-2mm)5) High Temperature Line:(Default 300mm) 3. About Non-standard customization Instructions:Please confirm the explicit parameters before ordering the client induced the mistake, the company would not assist the return. Instructions for use:1. Before use, please measure the flexibility on multimeter. If there is no issue after measured then can be installed. If there is not any power, please touch with us. The cartridge heaters ought to be linked with the right wiring method, wiring errors could cause gradual heating or damage two traditional wiring methods of consumers are as follows: SHIPPING NOTICEAll applications from our shop are registered site: 17track/en, PAYMENTVISA,Mastercard,WESTERN UNION,Maestro,Bank Transfer,QIVI WALLET,WebMoney,Boletol,PayPal WARRANTY SERVICEDelivery Time:Ship out within 3-5working daysAll emails could also be answered within 24 hours REFUND or RESENDIf items now not obtained or damaged,please cooperate with us to take photos once you get hold of it, then provide us the evidence,we will refund or resend a brand new one to you,thanks FEEDBACKAny questions please be at liberty touch with us earlier than you leaving a feedback,we will attempt the best that will provide help to clear up it Immediately.