T-Nut,nuts,hardware Code:YC-57 Finish:galvanized,yellow zinc,xylan. We can provide various specifications of the nut to you. T-Nuts,nuts,hardwareCode:YC-57Finish:galvanized,yellow zinc,xylan.Material:carbon steelWe can provide various specifications of the nut to you. yellow zinc T-NUT with four prongs