This listing is for an Armstrong No. 2 Pipe Threading Set with what I believe to be the original carry box. This set was made by Armstrong MFG. Co. in Bridgeport, Connecticut. The set contains:
Armstrong No.2 Thread Cutter Tool With Handles
Armstrong Bard No.2 Adjustable Guide
Armstrong No.2 Adjustment Wrench
Wooden Carry Box
Cutters included With Set Are Marked As Follows:
Armstrong 1/2 - 14 R.N.P.T.
Armstrong 3/4 - 14 R.N.P.T
Armstrong 1 - 11 1/2 R.N.P.T.