BulletProof Hitches Corrosion Resistant Pins (Pair) Model CRPBulletProof Hitches Corrosion Resistant Pins (Pair) Model CRP BulletProof Corrosion Resistant Pins are precision machined from our patented stress proof steel. They are a necessary complement to any BulletProof Hitch or accessory and have been designed to ensure strength, durability and utility. The pins feature an electroless nickel undercoat with a zinc plating topcoat for unsurpassed corrosion resistance. Many northern states have a high