This 7 torches are used and some are missing
Valve Wheel
Air/Oxy Aluminum Green Valve Wheel For 3A, 3B, 3C, 3H, 6B & 8R Torches - National
Fuel/Gas Aluminum Red Valve Wheel For 3A, 3B, 3C, 3H, 6B & 8R Torches - National
can either be fix or use for parts
here is the link where you can buy the parts
https://www.mountainglass.com/National-Aluminium-Green-OXY-Valve-Wheel