Alumina Cup, Medium Gas Lens, #4 Size, 1/4 Inch Dia

Alumina Cup, Small Gas Lens, #4 Size, 1/4 Inch Dia

Alumina Cup, Medium Gas Lens, #5 Size, 5/16 Inch Dia

Long Alumina Cup, Large Gas Lens, #12 Size, 3/4 Inch Dia

X-Long Alumina Cup, Large Gas Lens, #12 Size, 3/4 Inch Dia

Long Alumina Cup, Medium Gas Lens, Long, #5 Size, Alumina