This popular grade of tyre sealant is suitable for treating all off-road vehicles such as tractors, sprayers, balers and telehandlers and will instantly repair punctures up to 15mm in diameter. One application of our Heavy Duty product will last the life of the tyre without needing to install additional tyre sealant and the instant puncture repair process occurs within one or two revolutions of the tyre without any noticeable loss of tyre pressure.