ER16 Inch Tap Collet Set 4pc (ET16-168 194 220 255)
ER16 Tap Collet .138x.106 3.5X2.7 M3 M5
ER16 Tap Collet .157x.118 4.0X3.0 M3.5
ER16 Tap Collet .168x.131 4.3x3.3 #8
ER16 Tap Collet .177x.134 4.5X3.4 M4 M6
ER16 Tap Collet .194x.152 4.9x3.9 #10 3/16