Classy material: the heating elements is made of Nickel chromium, features with high resistivity, low resistance temperature coefficient, high temperature of use, good resistance against high temperature, fast heating, durability and not easy to break Easy 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, replace the kit when the PTFE (cloth) is warning, changing color, or the seal effect is not good Appropriate size to use, please check the size carefully before purchase Applicable situations: suitable for most machines with the number 200 as part of their model number, for example, compatible with F-200, -200, -200 The actual product may have slight color differences or differences, which does not affect use. Colour:Silver Material:nickel chromium Size:About 24cm Package Contents: 8 x impulse sealer heating elements 8 x corresponding cloth tapes Only the above package content, other products are not included. Note: Light reflection 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.