Model	Internal D
T-6	6
T-6.35	6.35
T-8	8
T-9.52	9.52
T-10	10
T-12	12
T-12.7	12.7
T-15	15
T-15.88	15.88
T-16	16
T-19	19
T-22	22
T-22.3	22.3