SET OF 3 Heavy duty premium circular disc padlock with 2 keys Constructed of heavy duty corrosion resistant stainless steel Diameter of lock is approximately 2-3/4″ (70mm); opening under bolt is approximately 3/4″ Resists sawing or cutting with its stainless steel body and hardened steel shackle Red Hound Auto Heavy Duty Stainless Steel Round 2-3/4″ Disc Padlock (with keys). This quality Red Hound Auto stainless steel 2-3/4″ circular padlock has been made from the highest quality industrial grade materials. Resists sawing or cutting with its stainless steel body and hardened steel shackle. Weather and rust resistant. Lock includes 2 keys. Plus, the product is covered by a 1 year warranty! Size- 2-3/4″ diameter lock. Material – Heavy duty corrosion resistant stainless steel. Applications – Great for protecting your tools, equipment, sheds and storage areas.