Universal Water Key Spring, Fits Inside Key type:Pack of 6 CR300HP Bach Cornet

CR300HP Bach Cornet

52B Conn Bb Trumpet134E Conn Marching French Horn134ESP Conn Marching French Horn2220SP King Cornet2220 King Cornet1122SP King Marching French Horn1117 King Bb Trumpet1117SP King Bb Trumpet1121SP King Marching Mellophone1121 King Marching MellophoneB1105TH Bach Marching Mellophone1BSP Conn Bb Trumpet1122 King Marching French Horn2055S - Silver Flair King Bb Trumpet1B50CSP Conn C Trumpet1FR Conn Flugelhorn1FRSP Conn Flugelhorn1B50C Conn C TrumpetB1105THS Bach Marching Mellophone2020SP King Flugelhorn51BSP Conn C Trumpet51B Conn C Trumpet1B - Lacquer Conn Bb Trumpet2020 King Flugelhorn603 King Cornet604 King Cornet602SP King Cornet603SP King CornetTR305 Bach Bb TrumpetTR305SBP Bach Bb Trumpet22A Conn Cornet602 King Cornet605SP King Cornet605 King Cornet34A Conn CornetCR301H Bach Cornet35A Conn Cornet600 King Trumpet34ASP Conn Cornet601 King Bb Trumpet601SP King Bb Trumpet601N King Bb Trumpet23B Conn Bb Trumpet23BSP Conn Bb TrumpetK20SP King Marching Mellophone52BSP Conn Bb Trumpet

or custom Xeno Trumpet easy to install valve felt & cork replacement kit

Cork 5/8" x 1/4"

Universal Water Key Spring, Fits Inside Key type:Pack of 6 CR300HP Bach CornetUniversal Conn, common, water key spring (sits inside of waterkey). Fits many, such as, Bach & Conn cornets, trumpets, 16A, 16B, 18A, & 18B, & euphoniums & tubas. Contact me if you wish to verify your model's fit or you need other parts.