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Tool Review: Dymo Metal Embossing Tapewriter | Make:
Embossed aluminum is pretty much the ultimate labeling material. Without wanting to be morbid, there is a reason why military services around the world choose it for personnel identification tags. Secured with mechanical fasteners, instead of adhesives, an embossed aluminum label will stand up for years against water, extremes of heat and cold, prolonged direct sunlight, and any organic solvent you care to throw at it. This is a true "industrial-grade" labeling tool, and if you can snag a used one for a reasonable price, you can expect a lifetime of use from it.