The benefits of heat treated steel are increased strength, hardness, toughness, and wear resistance. Making them much harder to bend or break. This process basically alters the micro-structure of the steel by exposing the steel to high temperature for a certain period and then quenching it (rapidly cool).
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HEAVY DUTY HIGH QUALITY KEY CHAIN RINGS - Heat Treated and Lead Free -The benefits of heat treated steel are increased strength, hardness, toughness,
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A sturdy white paper board key tag with a metal rim along the outside diameter. Simply write the key information on the tag for quick and easy key or part identification.
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These amazing little key rings are super strong, super high quality, and are what we've been using as components in Specialist ID Products for years!
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