Following are among the commonly band heaters, please click the size(IDxH) to move tothe appropriate specification page. DiameterHeight 25mm:25-35mm40-50mm 30mm:25-35mm40-50mm 35mm:25-45mm50-70mm75-85mm90-100mm40mm:25-45mm50-70mm75-85mm90-100mm42mm:25-45mm50-70mm75-85mm90-100mm45mm25-45mm50-70mm75-85mm90-100mm50mm:25-45mm50-70mm75-85mm90-100mm55mm:25-45mm50-70mm75-85mm90-100mm60mm:25-45mm50-70mm75-85mm90-100mm65mm:25-45mm50-70mm75-85mm90-100mm70mm:25-45mm50-70mm75-85mm90-100mm75mm:25-45mm50-70mm75-85mm90-100mm80mm:25-45mm50-70mm75-85mm90-100mm LJXH Inner Dia Mica Band Heater Stainless Steel Heating Element 110V/220V/380V Electric Heating Ring Height 50-70mm 200W-280W Specification:Product Name: Stainless Steel Band HeatersMaterial: Stainless Steel, CeramicVoltage: 110V/220V/380VInner Diameter: 42mmHeight (H): 50/55/60/65/70mmPower: 200W/220W/240W/260W/280WMax working temperature: 300-400 centigrade How to make your mind up right band heater Inner Diameter?Use a rope to measure your package circumference, and use a tape measure the rope complete size (C) . Then D=C/3. Package Contents:1PC Band heater Custom-made accepted:If you don't discover the right size in our store, please touch with us for custom-made. Please supply band heater:1) Band Heater Inner diameter (or package circumference)2) band heater height(or width)3) Voltage/Power4) Quantity