TIG Ceramic Cup Compatible With Torch 20 & 9 Air-Cooled Classic Series

#4- 1/4" (6 MM BORE) #5- 5/16" (8 MM BORE) #6- 3/8" (10 MM BORE) #7- 7/16" (11 MM BORE) #8- 1/2" (12.5 MM BORE)