8 mm strong tuning lugs, solid woodblock connection, Material: Rubber Wood (Hevea brasiliensis Muell.-Arg.), Size: 6 3/4" + 8" Hembra, L-sharped tuning key, Tune up Oil, 4 mm traditional TTR-Rims, True Skin Cow Heads, including: accessory pouch, of the Artist Series, black powder Coated hardware, Colour: Natural (NT-M).