S1411 One set of ThreeOlder Style Valve SpringsforThe Holton ST550 MF AdmiralIMPORTANT: Please inspect your trumpet valve springs before ordering. These are one of two different styles of valve springs used for this instrument. These fit outside the spring box. The other size is smaller and fits inside the spring box Instructions for installingyour valve springs areIncluded FREE Shipping via Canada Post Letter Mail-USA(tracking is not available)to the USA $3.00USDShipping via Canada Post LetterMail-International (tracking is not available) to most others$14.00USD Shipping via Canada Post Tracked Packet-USA (tracking isprovided)to the USA Normal 0 false false false EN-CA X-NONE X-NONE Under no conditions will we accept any sale using TransExpress, Inc. for mail services. one of their locations being 7801 NW 37th Street Doral, FL.