TYRE SEAL-FIT (HARD) 5KG Air Seal Rim Sealant is a combined tyre lubricant and bead sealant product used on corroded both steel and alloy wheels. To prevent Air loss and pressure loss through bead leakage. Air seal, Seal Fit or Rim Seal, is specifically designed with the intention of providing both a sealant and lubrication in one product.This is the Hard version on the Air Seal product. RED in colour