Durable MaterialThe combination padlock features a metal body with a zinc alloy cover for enhanced durability and corrosion resistance. Heavy-duty steel shackle provides additional cutting resistance. Weatherproof finish prevents freezing and jamming Long Shackle and Weather Resistant Design2.5 inch long shackle padlocks secure in tighter places. Ideal for securing sheds, gates, chains, garages, closets, tool boxes, bicycles and gym lockers. Weather-resistant padlock suitable for outdoor environments and extreme weather conditions. High Security LockThe 4-digit combination padlock offers 10,000 combinations, making it much more secure than the typical three-digit padlock. The shackle of this padlock is strong enough to be damaged by human force. Easy to UseEasy to set and reset your own 4-digit combination for keyless convenience. The unique side window allows for easy viewing of combinations. Come with clear instruction. Once you have the combination figured out, you are safe and sound. No more fiddly keys.