The jumbo plastic key tags with split metal key ring are clear transparent key tags that are very rugged and hard to break.
Key Tags – Lucky Line Products
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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).
10 Pack - Extra Large Key Rings - 1.25 inch Heat Treated & Lead Free - Heavy Duty Sturdy Metal Split Ring Keychains by Specialist ID, Women's, Silver
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