FOX Model 520 English HornHigh quality plastic resin body. Bore hand reamed and finished by Fox craftsmen. Silver plated posts, bands and bell ring. Stainless steel arbors and wire springs. Nickel silver keys with 18% nickel silver hinge tubing and heavy silver plating. Full conservatory system plus third octave key and low B vent key. Cork pads on low C and above. Teflon tipped stainless steel adjusting screws. Each instrument comes with two standard Fox Model XL English horn bocals (numbers 2 and 3). Comes with a single case.