This is the Big Boy!  

Size: 9 3/4" height, 6" wide, 3/4" thick.

LARGE WORKBENCH ENGINEERS BLACK BOOK  current for 2026 (METRIC)

TONS OF ENGINEERING DATA NOW IN A CONVENIENT WORKBENCH EDITION with grease-proof pages

Size: 9 3/4" height, 6" wide, 3/4" thick