Classy material: the heating elements is made of Nickel chromium, features with high resistivity, low resistance temperature coefficient, high temperature of use, good corrosion resistance against high temperature, fast heating, durability and not easy to breakEasy to operate: require just a screwdriver for installation on most machines, try to change the old elements to have a better bag sealing function in daily use, the kit when the PTFE (cloth) is warning, changing color, or the seal effect is not goodAppropriate size for you to use, please check the size carefully before purchaseApplicable situations: suitable for most machines with the number 400 as part of their model number, for example, compatible with F-400, FS-400, PFS-400/Applicable situations: suitable for most machines with the number 200 as part of their model number, for example, compatible with f-200, fs-200, pfs-200 and moreType: 400 Type / 200 TypeColour: SilverMaterial: Nickel chromiumSize: 455 x 2mm / 240 x 2mmPackage Contents:10 x impulse sealer heating elements10 x corresponding cloth tapesOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.