Body Material: Grenadilla Wood. Barrel(s): Grenadilla, 66 mm cylindrical. Bell: Grenadilla, Ringed. Key System Boehm (17Keys / 6 Rings). Key Material: Nickel Silver. Plating: Nickel. Bore: Cylindrical 0.584" - 14.85 mm. Tone Holes: Inlaid / Undercut. Springs: Blue Steel. Pads: Double Skin. Posts: Threaded. Mouthpiece: Plastic Leblanc 2540P. Ligature and Cap: Leblanc 2200V. Case: Plastic CP7200. Included Accessories: Genuine Leblanc Swab, Cork Grease.