King pin 1. It is for semi-trailer 2. 2 inch ... "-50mm 4. Slide plate thickness: 8,10,12,14,16m King pinDescriptionModelSpecificationSlide Plate ThicknessAT-XH150 2" Weldable type 2" Weldable Kin ... ,14,16mm4. one 20 GP container can fit 4000 pcs king pin