This is a Flight Stand (10 x 3mm Base; 30mm Post) for board and tabletop games like Axis and Allies.
Details:
- Posts are 2mm in diameter with a 1.6mm dia x 1.6mm deep recess at the top to accept a rare-earth magnet if desired
- The 10mm x 3mm bases have cutout at the bottom to accept an M4 washer (for weight).
- The 15mm x 3mm bases have cutout at the bottom to accept an M6 washer (for weight).