Black nickel has been a popular finish on saxophones for years. The heavier nickel provides a darker, yet vibrant tone. The Giardinelli GTB-897 Black Nickel Trombone is a sure fire way to catch your audiences eye.Key: Bb Bore: .500-inch Leadpipe: Standard Leadpipe Material: Yellow Brass Bell: 8-inch Bell Material: Yellow Brass Handslide: Standard Weight Handslide Material: Yellow Brass Outer and Chromed Inner Slide Tubes Handslide Crook Material: Yellow Brass F Attachment Wrap: N/A F Attachment Valve: N/A Features: Black Nickel Finish; Clear Lacquer Bell Interior Case: Lightweight Hard Foam Case with Nylon Exterior and Backpack and Shoulder Straps Mouthpiece: Yes Mouthpiece Shank: Small Finish: Black Nickel