Davis Mark 15 Master Sextant 26, Artificial Horizon 144, Hand Bearing Compass 215, Charting Kit 83 Bundle (4 Items). Mark 15 - 7 sunshades, 3 mm x 27 mm star scope & micrometer drum to 2/10 of a min. Artificial Horizon - 2 sunshades, lid & directions, for backyard practice. Hand Compass obtains a bearing simply by aligning front and rear sights. 6 pc Charting Kit - parallel rule, divider & key items.