... 3.Material:carbon steel 140#,45# Spring pin 1.Surface:Black Oxide, Grey Phosphate, Yellow/Silver Zinc Coating, Steel Natural Color + ... Appearance5, Can be made as per sample Item Model Leaf Spring Pin and Bush for DODGEItem No. Measurement 3/4''x112Grade ... Oxide, Grey Phosphate, Yellow/Silver Zinc Coating, Steel Natural Color + Protective Oil;Quality of Grade 10.9 Spring Pin Hardness: HRC53-58 ...