Width: 1-1/2"Features: Bolster Plate Thickness 0.50", Maintains a Hardness Of 302-363 BHN 150,000 psi in Ultimate StrengthIncludes: KingpinWidth: 1-1/2"Features: Bolster Plate Thickness 0.50", Maintains a Hardness Of 302-363 BHN 150,000 psi in Ultimate...