Armstrong Student Model 104 Closed Hole Flute Model 104 The Armstrong headjoint offers players crisp response and ease of playing throughout all registers. The offset G key follows the natural contour of student's hands and makes playing more comfortable. Armstrong's signature CNC key cups ensure that pads will seat perfectly flat which prevents air leaks. Built in Elkhart, Indiana, the Armstrong 104 flute is designed to last and provide a superb playing experience for students. The Armstrong headjoint offers players crisp response and ease of playing throughout all registers. The offset G key follows the natural contour of student's hands and makes playing more comfortable. Armstrong's signature CNC key cups ensure that pads will seat perfectly flat which prevents air leaks. Bottom adjusting screws provide a sleeker, more professional look. Built in Elkhart, Indiana, the Armstrong 104 flute is designed to last and provide a superb playing experience for students.