This replacement kit is for use with SealerSales KS-FS805 Foot-Operated Impulse Sealer. Replacement Kit Includes: (2) 5mm wide heating element, (2) 1/2" PTFE adhesive, and 1ft. long roll of PTFE cover. Note: We recommend replacing the bottom PTFE adhesive strip (1/2" wide sticky backed-remove the liner) every time the element is replaced. Place the PTFE adhesive strip under the element on the base of sealer.