Similar to SKU#A11AX1A1, just a bit larger. With inside divider.
Front panel has 3 regular pencil loops (3/8” diameter), one rapidograph size loop (1/2” diameter) and 2 scale pockets.
Inside dimensions of book pouch is 6 3/4″ x 9 1/2″ x 1 1/8″.
SKU# A11AX1B1