High 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 (including left hand F key) with the exception of the split ring E(flat)-E trill key and A(flat)-B(flat) adjustment mechanism. 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 & 3).