Marcinkiewicz E8.7 Mic Gillette signature mouthpiece for trumpet, outside cup diameter 27.86 mm (1.097 in.), inside cup diameter 16,33 mm (0.643 in.), cup depth 10,13 mm (0.399 in.), drill venturi 3,86 mm (0.152 in.), length 87,63 mm (3.450 in.), medium round rim, silver plated, like Jet-Tone Studio D