ARMSTRONG & WILLIAMS Lantern Style tool holders & Post. ARMSTRONG & WILLIAMS Lantern Style tool holders & Post, used tooling in good condition. Includes (1) 6-position boring bar holder (1/4", 3/8", 5/8", 3/4", 1", 1.25"), 2 WILLIAMS holders, and 5 ARMSTRONG holders. Lantern Style tool holders & Post. (1) 6 Position boring bar holder: 1/4", 3/8", 5/8", 3/4", 1", 1.25" -2: WILLIAMS holders -5: ARMSTRONG holders.