The Holts SEALit Leak Repair is a professional sealant designed for automotive professionals, but also suitable for DIY mechanics. With a 250ml capacity, this product has ample coverage for sealing various radiator, coolant, head gasket, freeze plug, water pump gasket, and cylinder head leaks with ease. Its unique composition combines sealant, adhesive, and a crosslinking agent to create a strong, durable bond, even in the most challenging conditions. The sealant is color-coded, making it simple to identify the correct product for your specific repair location. When used correctly, this leak repair product can eliminate the need for costly replacements or repairs, saving you time and money.