Conn-Selmer 337 Slide-O-Mix 337 Trombone Lube System Project Sam Features an oval shaped tip

Features an oval shaped tip

• Backward compatibility with all USB 1

The answer is simple: it sounds fabulous and sublime

simplifying mic placement

Conn-Selmer 337 Slide-O-Mix 337 Trombone Lube System Project Sam Features an oval shaped tipConn Selmer 337 Slide O Mix 337 Trombone Lube System No more mess. No more oily hands. It's just smooth sailing with the Conn Selmer 337 Slide O Mix 337 Trombone Lube System. Preferred by professionals worldwide, only a small amount of this long lasting trombone maintenance formula applied directly to your slide from the bottle will give it maximum speed and action for easier playing. Get yours today at Alto Music!