Squire Heavy Duty Padlock (Vulcan Combi 60) - Toughest Open Shackle - 5 Wheel Vulcan Padlock - Steel Cast Alloy for Corrosion Resistance - Weatherproof Lock for Home, School & Shed. Distinct double locking mechanism lock. Hardened steel shackle with satin chrome finish. Satin chrome die cast alloy body with soft feel cover. Fully recodable 5 wheel combination. Offering 100,000 possible combinations.