Forged steel Standard finish: Yellow chromate Includes hair pin clip Pin diameter: 5/8 in Usable length: 4 in T3899720 Style: Pin Size:5/8 , Len.:3 3/4 , Qty:4 per box This item features: -Dropped forged and galvanized, with clips. -Material: Forged Steel. -Finish: Galvanized Zinc. -Style: Pin Size:5/8'', Len.:3 3/4'',