- NPT pipe die sizes included in set are: 1/8 in., 1/4 in., 3/8 in., 1/2 in., 3/4 in. and 1 in.
- No special holder is required for this type of die, any wrench large enough will suffice (the largest die is 2.5" wide)
- It is strongly advised to use thread cutting oil (available at home improvement stores) for cleaner and easier cuts