Al Cass Fast Oil Valve Slide Key Lubricant

DescriptionThe famous Al Cass “Fast” is a combination valve, slide, and key lubricant that will not gum or separate under any weather conditions. Al Cass Fast Oil has been enduring favorite of brass players for decades. It is a combination valve, slide and key oil designed for long-lasting lubrication and is a petroleum-based oil available in a 2 oz. bottle.