THL-W4I Vent, Touch Hole Liner, 1/4-32 thread, carbon steel, White Lightnin'

THL-W4S Vent, Touch Hole Liner, 1/4-32 thread, stainless steel, White Lightnin'

THL-W5S Vent, Touch Hole Liner, 5/16-32 thread, stainless steel, White Lightnin'

THL-W5S-KIT Vent, Touch Hole Liner complete kit with drill & tap, 5/16-32 thread, stainless steel, White Lightnin'

THL-W6S Vent, Touch Hole Liner, 3/8-32 thread, stainless steel, White Lightnin'