Open wrap F.
These full-bore tenor trombones are the perfect step up model when you're ready for a .547" bore. A nickel-silver outer hand slide is standard, and the F attachment has a full open wrap, compared to the Jupiter JTB1150F with a modified open wrap.
Specifications
Key: Bb/F
Bore: .547-inch
Leadpipe: Standard
Leadpipe Material: Yellow Brass
Bell: 8.5-inch
Bell Material: Yellow or Rose Brass
Handslide: Standard
Handslide Material: Nickel Silver Outer Slide and Chromed Inner Slide
Handslide Crook Material: Nickel Silver
F Attachment Wrap: Open Open
F Attachment Valve: Standard Rotor
Features: Open Wrap F Attachment; Nickel Silver Outer Handslide; Mechanical Link Tapered Rotary Valve
Case: Wood Frame
Mouthpiece: Yes
Mouthpiece Shank: Large
Finish: Lacquer