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1. Two Piece, Hand Spun Bell
All 351 and 451 student trombones feature hand spun bells similar to those found on most professional trombones.
2. Wire reinforced, Soldered Bell Rim
All 351 and 451 student trombones feature wire reinforced soldered bell rims. This improves the acoustical qualities of the bell as well as protects it from accidental dents and dings.
3. Special Inside Handslide Tubes
All 351 and 451 student trombones have chrome plated, barrel-shaped, hand straightened inside handslide tubes, guaranteeing outstanding slide action for years.
4. Nickel Silver Outer Slide Tubes
All 351 and 451 trombone landslides have hand straightened, nickel outside tubes for superior action and durability.
5. Extra Large Ferrules
All 351 and 451 trombones have extra large ferrules providing added strength at critical tubing joints.
