Classy material: The heating element is made of nickel chromium, featuring high resistivity, low resistance temperature coefficient, high-temperature performance, good corrosion resistance at elevated temperatures, fast heating, durability, and resistance to breakage. Easy to operate: Requires only a screwdriver for installation on most machines. Replace old elements to improve bag sealing performance during regular use. Replace the kit when the PTFE cloth shows signs of wear, discoloration, or reduced sealing effectiveness. Appropriate size for your application; please verify dimensions before purchase. Applicable situations: Suitable for most machines with "200" in their model number, such as f-200, fs-200, pfs-200, and similar models. Type: 200 Type Color: Silver Material: Nickel chromium Size: 240 x 2mm Package Contents: 10 x Impulse sealer heating elements 10 x Corresponding cloth tapes Note: Light shooting and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement error allowance is +/- 1-3 cm.