The BLM Patination Oil 0.5 Litres, Pack of 10, is a high-quality product designed to protect and enhance the appearance of lead sheet and flashings. This oil provides an aesthetic patina while offering an additional layer of protection against the elements. It is produced by BLM, a renowned brand in the field, ensuring reliability and effectiveness with its use. Each pack contains ten 0.5-litre containers for convenient application over larger areas or multiple projects.