Pointy, sharp, or penetrating objects; mountaineering ice picks, ice breakers, axes, knives, combat knives, tactical knives, daggers, kitchen knives, letter openers, cutters, scalpels, swords, sabers, foils, machetes, knitting needles, metal scissors (with sharp ends and blades longer than 2.3 inches), single or double-edged straight razors, and other similar objects.
Power tools, manual or electric tools, and gas-powered machines for cutting or welding (drills, portable electric saws, torches, welding guns, hammers, screwdrivers, pliers). High-intensity lamps with bulbs and batteries. Bulbs and batteries must be packed separately and properly labeled. Curling irons and hair straighteners. Harpoons and other underwater weapons, bows, bayonets, arrows, and similar items.
Barometers and Thermometers
You can check barometers and thermometers if you are a representative of the National Weather Service with proper identification and if they are in resistant packaging that is sealed against leaks.
You can check personal care aerosols with a maximum size and weight of 16.9 fl oz and 1.1 pounds. The total size and weight of aerosols must not exceed 67.6 fl oz and 4.4 pounds. Cover the openings to avoid spillage.
Dry batteries installed in wheelchairs or similarly powered equipment that must comply with our security measures