https://www.baysupply.com/products/m47475-marson
M47475 Marson MPN Series | Bay Supply
Buy Marson MPN Series M47475 "O" Style Round Body Rivetnut Insert; 5/16-18 UNC-2B, (0.030 - 0.165 Inch Grip), Low Profile Head, Steel, Zinc Clear Trivalent...
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