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.
Al Cass was an inventor, performer, trumpeter, manufacturer and consultant to other brass musicians worldwide. He was the manufacturer/creator of Al Cass “FAST” valve/slide/key oil combination for Brass instruments, which has been considered the industry standard since inception.