1.kingpin type: 2" or 3.5" (50 or 90) 2.certificate: ISO/TS16949 AND SONCAP 3.slide plate thickness: 8mm,10mm,12mm,14mm 1. kingpin type: 2"or 3.5:2. certificate : ISO/TS 16949 AND SONCAP3. slide plate thickness : 8mm,10mm,12mm,14mm,16mm4. welding type and assambly type5. for semi-trailerTrailer Parts King pinDescriptionModelSpecificationSlide Plate ThicknessAT-XH150 2" Weldable type 2" Weldable ...