Tapmatic RX 30 Self-Reversing Tapping Head, 3/8"-24 Thread Mount, #0 - 1/4" and M1.4-M7 Capacity
Tapmatic Standard Rubber Flex Collet, 2.5mm - 4.5mm Capacity
Tapmatic Standard Rubber Flex Collet, 4.5mm - 6.5mm Capacity