Each MAGNA-TIP case is made of unbreakable polyethylene field case with lift-out tray of indestructible ABS plastic. It has a space for your driver handle and compartments for your extra bits, screws, or small parts from the gun you're working on.
Brownells Christmas , Issue:2X, Page:005
Big Book Catalog, Issue:66, Page:454
New Product Supplement, Issue:581, Page:010
Personal Protection, Issue:01, Page:053