Just found this deep in the back of one of my cabinets. Repair kits for 4" to 20" Adjustable Wrenches. Now P&C, Proto, Fleet, Vlchek, Challenger, Penens
from what I remember the Adjustable Wrenches, were all made by Jamestown Mfa. in Jamestown , NY. for all of them in the 40s -70s I think