Al Cass Fast Valve - High Performance Slide & Key Oil for Brass Instruments - Perfect for Trumpets, Trombones, and Woodwind Maintenance

The 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 an enduring favourite 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.