Broach sizes are:
3/8" D
7/16" D
This set was never used. It set in shop for 4 years. It was exposed to humidity as you can see by the pictures.
DuMont 11136 No. 100 Minute Man Keyway Broach Set 2 Broaches And 9 Bushings
$1000.0
Brand
Dumont
Broach Type
Keyway
MPN
11136 No. 100
Country/Region of Manufacture
United States
condition
Used
DuMont 11136 No. 100 Minute Man Keyway Broach Set 2 Broaches And 9 Bushings. Comes in wooden box. I am calling this used only because it has been exposed to humidity. The pictures show it.