Monster Oil Doc's Juice 50 ml; valve oil; developed with Doc Severinsen; lightest viscosit...(+)
Monster Oil Doc's Juice 50 ml; valve oil; developed with Doc Severinsen; lightest viscosity (even thinner than Faster Oil); fast and long-lasting; suitable for trumpet and all other brass instruments; synthetic base with silicone; content: 50 ml; made in USA