Following are some of the generally used 201 Stainless Steel cartridge heaters, please click on the scale to visit the proper specification page. Also, the warmers would be custom for different sizes, energy and voltage, whenever you need, please contact with us freely. nine Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-340mm380-500mm 10mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 10 Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 11mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 12mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm If you would like extra size,please hyperlink here to find:Tube Dia. 6-9mmTube Dia. nine Dia. 12 Dia. 17-25mm 10pcs/lot Cartridge Heater 12mmx50-60mm Heating Element 150W-180W AC110V/220V/380V 201SUS Specifications: Product Name: Cartridge HeaterMaterial: 201 Stainless SteelTube Diameter: 12mmTube Length: 50mm-60mmWire Length: 300mm(11")Power: 150W-180WVoltage: 110V/220V/380VPackage: 10pcs/lot Cartridge Heaters 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 not relevant to liquid and air heating, non-standard merchandise can touch us for custom. 2. How to come back to a decision 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 destructive 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 categorical parameters before ordering the shopper prompted the mistake, the corporate would not help the return. Instructions for use:1. Before use, please measure the flexibility on multimeter. If there's no difficulty after measured then can be installed. If there is no power, please touch with us. The cartridge warmers ought to be connected with the right wiring method, wiring mistakes could cause gradual heating or injury two common wiring tips of customers are as follows: SHIPPING NOTICEAll packages 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 inside 3-5working daysAll emails may be answered within 24 hours REFUND or RESENDIf items now not obtained or damaged,please cooperate with us to take pictures once you get hold of it, then present us the evidence,we will refund or resend a new one to you,thanks FEEDBACKAny questions please be at liberty contact with us earlier than you leaving a feedback,we will try the finest that will help you solve it Immediately.