Features: OOTDTY This band electrical copper-brass heating ring completely enclosed for injection-molding machine nozzle is a must-have for anyone trying to effectively and efficiently heat cylindrical parts. Featuring a secure ceramic-connection for wiring and anti-rust brass band, this heating ring is both durable and reliable. Ideal-for contributors in the production industry, specifically those using injection-molding machines. Perfect to be used in commercial settings where cylindrical features should be heated, such as factories and production lines. With its wonderful supplies and efficient heating capabilities, this electric copper-brass heating ring is definite on your expectations. Specifications: Material:Metal Size:Approx Size:Approx Size:Approx Size:Approx Ambient-temperature: -20℃ ~ +60℃ Electrical strength: it's going to face up to test of sinusoidal alternating latest with of 1500V/50HZ, and there is no breakdown phenomenon for 1MIN. Leakage current: Cold insulation resistance: > 50MΩ Grounding resistance: Power: 400W Power deviation: 10% Temperature resistance: the-surface temperature put in on the machine can attain 500℃ without burning. Package Includes: 1x Heating Ring Note: ① enable 1-2cm mistakes due to instruction manual measurement, just be sure to do not mind before you order. ② to the adaptation between different monitors, the picture may not mirror the particular shade of the item. Thanks to your understandings.