Includes:
1 - US M13-M13A1 6x30 Binocular
1 - Neck strap for binocular
1 - M17 Carrying Case
1 - Strap for case
 
Which range of binoculars do I need?
6x30 - Infantry and Armor commanders
7x50 - Armor, Artillery and Naval commanders
 
Which style of 6x30 binocular do I need?
Early to Mid WW2 - M3
Mid to Late WW2 - M13 (same as M3, improved waterproofing)
Late WW2 to Vietnam - M13A1 (same as M13, improved waterproofing)