Inches sizes.
Material Alloy steel.
Set includes:
One plug tap and 1-1/2" and 2" O.D. round die of each size shown:
1/4"-20NC, 5/16"-18NC, 3/8"-16NC, 7/16"-14NC, 1/2"-13NC, 9/16"-12NC, 5/8"-11NC
3/4"-10NC, 7/9"-9NC, 1"-8NC, 1/4"-18NF, 5/16"-24NF, 3/8"-24NF, 7/16"-20NF
1/2"-20NF, 9/16"-18NF, 5/8"-18NF, 3/4"-16NF, 7/8"-14NF, 1"-14NF
1- Adjustable die stock with adaptor
1- Adjustable handle tap wrench.
1- T-Tap Wrench
1- Screw driver
1- Plastic box