Lincoln K4361-1 Tig Welding Foot Pedal for LE31MP, Power MIG 140MP & 180I MP LP Propane or Natural Gas Cutting Torch Tips It measures 1 1/2" in

It measures 1 1/2" in diameter and has 0-400 supply pressure range

The Airco 155 is for general purpose hand torch cutting with acetylene

Victor style 1-118 acetylene gouging tips are medium preheat

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Lincoln K4361-1 Tig Welding Foot Pedal for LE31MP, Power MIG 140MP & 180I MP LP Propane or Natural Gas Cutting Torch Tips It measures 1 1/2" inLincoln K4361 1 Tig Welding Foot Pedal for LE31MP, Power MIG 140MP & 180I MP. The foot pedal works with select Lincoln welders only. Features: Controls the amperage when TIG welding. Enhances workplace safety by providing the right amperage & less adjusting. Gives the optimum amperage for any TIG welding project. 8 Pin Connector 6 ft Long Cable Compatible with: Lincoln K3461 1 Multi Process Welder LE31MP Lincoln K4498 1 Power Mig 140MP Lincoln K5257 1