We use high quality special alloy chrome vanadium steel. Since stress is concentrated in the L-shaped processed portion, we deliberately use hot bending processing. Only WISE offers hot bending processing. In order to ensure uniform and highly accurate tempered hardness, we use a completely non-oxidizing, decarburization correction quenching method in a closed furnace. The hard chrome plating surface treatment provides excellent wear resistance and will not rust for a long time. All sizes have easy to read burn-in marks and are color coded for easy tool management....
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