1)Type: Spring Pin 2)Size: 28x116/110mm 3)Grade: 8.8/10.9 4)Material: 40Cr /45#(SAE5140/1045) 5)Color: Black Oxide, Grey Phosphate, Yellow/Silver Zinc Coating. 6)Steel: Natural Color + Protective Oil; 7)Hardness: HRC53-58 8)Packing: Standard neutral export packing 9)Delivery: 25-30 days upon receipt of the payme

