Classy material: The heating elements are made of nickel-chromium, featuring high resistivity, low resistance temperature coefficient, high-temperature tolerance, excellent high-temperature corrosion resistance, fast heating, durability, and resistance to breakage. Easy to operate: Installation requires only a screwdriver on most machines. Replace old elements to improve bag sealing performance during daily use. Replace the kit when the PTFE cloth shows discoloration or when sealing performance declines. Appropriate size: Please carefully check dimensions before purchase. Compatibility: Designed for machines with “200” in the model number, such as F-200 series models. Type: 200 Type Color: Silver Material: Nickel-chromium Size: 240 x 2 mm Package Contents: 10 x impulse sealer heating elements 10 x PTFE cloth tapes Note: Color may vary slightly due to screen settings. Measurement tolerance: ±1–3 cm.