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This queen marking tube works like a standard marking tube, with one addition that makes it easier to use in the field: a side opening that lets the queen walk in directly from the frame instead of needing to be picked up first.
Let the queen walk into the tube through the side opening, then use the plunger to gently move her against the mesh screen. With her held in place, mark her thorax with a queen marking pen, then release her back onto the frame.
| Design | Side-entry with plunger and mesh screen |
| Compatible With | Standard queen marking pens |