Spec:Key : BbBore : Large bore (.470)Bell : Ultra lightweight high grade 80:20 brassWaterkeys : 2Finishes : Gold Lacquer or Silver PlateAdditional features : Smith-Watkin's designed nickel silver reverse leadpipe, Mobile 1st & 3rd valve slides, 3rd valve slide water key, monel valvesSupplied with : JP601 Mouthpiece, Lightweight case, Ultra-Pure maintenance kit