Select the instrument size via the chart below

Select Select Select Select
Size 1/4 1/2 3/4 4/4
Height Up to 4 feet 4 - 4.5 feet 4.5 - 5 feet 5 foot and taller
Arm Length (inches) 10-20" 20-22" 22- 24' 24" and up
 Age  5-7  7-11  11-15  15 Year and Older
General guidelines. Measurements in inches with left arm perpendicular to the body from the neck to the left wrist joint. Some prefer to measure to the palms.