Everything you need, including 2 decent padlocks in case you leave your vehicle 🚗 and ladder 🪜 unattended. I used them to attach a Werner 3-section ladder I bought at B&Q to the roof bars I attached to my car's roof rails. Clamped the ladder really securely. I couldn't move it at all. Quick and easy to spin on and off - just be careful not to let the hooked ends of the threaded rods (that go around your roof bars) drop onto your car roof paintwork. I look forward to being able to use my clamps to move my new ladder 🪜 between properties. Great purchase 👍