Keilwerth SX 90R alto Saxophone, black nickel plated body, hand polished and clear lacquered, keys, mother of pearl key inlays, Bell diameter 5,25' (133mm), Weight: 5lbs (2.6 kg), tone hole rings, adjustable thumb rest, adjustable palm keys, extra F-arm with adjusting screw, G# pad cup lifting mechanism, stainless steel screws, mother of pearl key inlays without metal rim, leather pads with metal resonators, waterproof, hydraulically formed neck, incl. mouthpiece and case