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Regular price $12.99
Universal brass instrument valve springs. Tapered cornet & trumpet (& others), bottom action valve springs. Wide end fits into bottom cap. Fits many older Conn horns.
Allied:A370 top OD 12mm, bottom OD 20mm, length 45mm.A371 top OD 12mm, bottom OD 15mm, length 38mm.
Perfect communication, delivery and product. (Universal Bottom Action A371) They fit and function perfectly. 👍