Zinc alloy inset nut,surface stinging wooden knob insert nut Size:M4,M5,M6 Color:Yellow zinc Inset nut for wooden knob screws intoInstallation Method:Beat into wooden plate,KnobSize:1)M6xOD10.5xL112)M5xOD8.2xL10 M5xOD8xL83)M4xOD8xL10 M4xOD8x8 M4,M5,M6 Zinc alloy furniture inset nut,agnail