General description This product is a professional and practical tow ball lock designed to securely and reliably secure the tow ball bracket to the tow ball. It is well constructed to fit most trailer hitch receivers, helping to prevent theft of the trailer hitch. Technical specifications Color: Silver Material: Iron Size (5/8): Approx. 13.50 x 6.00 x 1.80 cm / 5.31 x 2.36 x 0.71 inches Usage Easy to use and operate; just press to insert to lock. Other information Electroplating treatment makes it rustproof and durable, providing a certain anti-theft effect.