【 High Quality Material 】 The trailer coupler pin is made of high quality spring steel and carbon steel, the surface is galvanized, has excellent rust and corrosion resistance, strong structure, strong bearing capacity, long service life.

【 High Quality Material 】 The trailer coupler pin is made of high quality spring steel and carbon steel, the surface is galvanized, has excellent rust and corrosion resistance, strong structure, strong bearing capacity, long service life.