The Squire CombiBolt 5 Re-Codable Locking Bolt is a unique, patented combination 5-wheel locking bolt, that provides great security for vehicles, sheds, doors and gates. It has a durable die-cast zinc body and wheels that are highly anti-corrosive. Offers over 100,000 combinations. Simple to install and use, one-handed operation. No keys to lose. Supplied with clutch head security screws. Specification Overall Length 150mm. Overall Width 60mm. Bolt Diameter 10mm.