Kinds of Omega Thermocouple K Type TT-K-30-L0.6 ( Teflon K wire, the diameter is 0.254mm, the length is 0.6m) GG-K-30-L0.6 ( Fiberglass K wire, the diameter is 0.254mm, the length is 0.6mm) TT-K-36-L0.6 ( Teflon K wire, the diameter is 0.127mm, the length is 0.6m) GG-K-36-L0.6 ( Fiberglass K wire, the diameter is 0.127mm, the length is 0.6mm)