About The Weldcraft™ X-Long Lava Nozzle, #4 (1/4 in.)
Replacement part for A-125, W-200 Pencil Flex, W-225 Pencil, W-250, W-280, W-310, W-375, A-200 Modular, A-150 Auto, and W-250 Auto TIG torches. Bore size and outside diameter not specified.
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