Grey case contains
Pipe threader for making thread on the outside of pipe NPT. The threader has one of the cutters in the ratchet holder
SO- 1/4" 18 NPT (18 threads per inch)
SO- 3/8" 18 NPT (18 threads per inch)
SO- 1/2" 14 NPT (14 threads per inch)
SO- 3/4" 14 NPT (14 threads per inch)
SO- 1" 11 1/2 NPT (11 1/2 threads per inch)
Pipe Cutter cut 1/8" to 2"
Pipe wrench 18"
2 sets of pipe clamps