Description Features Stainless steel pistons Stainless steel pistons are resistant to corrosion 1st slide saddle Assists in intonation Adjustable 3rd finger ring Adjustable 3rd finger ring allows for precise and comfortable hand and fingering position Double main tuning slide braces Double main tuning slide braces help the response and tonal color of the trumpet Specification Series: X/P Key: Bb Bore Size: 0.460″ / 11.68mm Bell Diameter: 4 7/8″ / 123mm Outside Slide Tube Material: Nickel silver Inside Slide Tube Material: Nickel silver Valve: Stainless steel Bell Material: Yellow brass Mouth pipe Material: Red brass Main Tuning Slide Brace: Double 3rd Slide Finger Rings: Adjustable Thumb Hook: Included Mouthpiece: Included Finish: Clear lacquer 600 Denier fabric covered case