Hard to see the size markings but I measure 3/4” and 1” open ends.
Vintage 24” Railroad Track Wrench, Open-End, 2-1/8” & 2-3/8”, Marked ‘N&W’
Vintage Locomotive Railroad Train Open End Wrench
Vintage Collectible Large 28.5" Long 1-3/4" RAILROAD Open-End Wrench-RUMLEY-Oil!
Rare Vintage Railroad Open End Wrench
Vintage Large Railroad Wrench 17in Long Open Ends r2s5
Vintage Large Railroad Wrench Tool 30" 2 1/2" Open End