For use with the clipped head first fix nailer. The cleaned propane and butane gas with a synthetic oil gives a clean combustion and reduces tool wear. Manufactured to European standards and CE approved for consistent quality.Manufactured to European standards. Cleaned propane and butane gas for cleaner combustion and to improve the working environment. Fully synthetic oil for reduced carbon deposition. High quality propellant to prevent leakage and increase shelf life. Gas filled in accordance with European Regulations (75/324/EWG).