K-Type Closed Tip Thermocouple 10ft Wiring Extension Kit. Includes: 10ft Wiring Extension, 2 X 4-40 Hex Nut, 2 X 4-40 Screw & 6 in Heat Shrink Tubing K-Type Closed Tip Thermocouple 10-Foot Wiring Extension Kit, Includes 10 Feet of Wiring Extension, 2 X 4-40 Hex Nut, 2 X 4-40 Screw & 6-inches Heat Shrink Tubing