jtm1811

what is width suspect?

I have some bolt tongs for railroad spikes and square stock but they are only 5/8 and i use em for round sometimes, i was useing some tongs that i found our were fire tongs for flat but they arent to good for it, i wanna hold leaf springs and other flat stock. i was told some walf jaws would be good but flat would be better by lots of difernt ppl so idk

Open Mouthed or Closed Mouth PickUp/Flat Stock Tongs. That is the Question?????? Plz help

Thanks for the help

Hey everyone... so I'm rather new to blacksmithing and I would like to invest in a set of Bolt Tongs. I have heard that they are useful for holding round stock and square stock nd railroad spikes which i would love to start making knives out of. However they come in a bunch of different sizes which i dont know what they mean. The sizes say BOLT TONG 4-5 mm (3/16”) x 300 mm (12”) REINS W/BALL ON END OF REINS C.S. i know that the 300mm is the rein length but idk what the 4-5mm part is? could someone plz point me in the right directon or tell me what size would be suitable to hold railroad spikes and other stuff... cheers, Jake