Alumina Cup, Standard, Long, #6 Size, 3/8 Inch Dia

Alumina Cup, Standard, #12 Size, 3/4 Inch Dia, Alumina

XX-Long Alumina Cup, Large Gas Lens, #6 Size, 3/8 Inch Dia

X-Long Alumina Cup, Large Gas Lens, #6 Size, 3/8 Inch Dia

Alumina Cup, Standard, Long, #7 Size, 7/16 Inch Dia

Alumina Cup, Standard, Long, #5 Size, 5/16 Inch Dia