Most manufacturers use a plastic insert and may even use a plastic grommet. Our stainless steel parts are considerably more substantial. O ur products are tested by national testing standards in Anaheim, California. We are now in the process of receiving ASTM Certification for our products besides Tensile Strength. Most of our hangers test at over 5,000 lb. of pressure before breaking.
Most products have their test results listed in their description found in our catalog.
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