Heavy Duty Indoor Outdoor Large Padlock. This large heavy-duty padlock features a one-piece lock body, 304 stainless steel locking shackle, 52mm wide lock body, 8mm diameter shackle, and weighs 270g. Designed for maximum security, this combination lock is suitable for indoor and outdoor use on gates, garages, sheds, fences, storage units, school lockers, gyms, and office cabinets, providing reliable protection against theft. High-quality weatherproof and waterproof combination padlock constructed from high-strength zinc alloy for rust resistance and durability in harsh conditions. The lock body is reinforced with a protective bumper for added strength and reliability. The hardened 304 stainless steel shackle offers excellent cut resistance. Tested for over 180 hours in a salt spray environment to ensure long-term performance in extreme weather. 4-digit combination mechanism provides 10,000 possible combinations, offering enhanced security compared to 3-digit models. The lock includes 4-position metal code wheels and a tamper-resistant design that prevents forced entry or shackle release through physical manipulation. Provides dependable security for everyday use. One-touch locking mechanism allows easy operation—simply press the center button after entering the correct combination to release the shackle. Offers a secure and convenient locking experience. Hidden reset feature enhances security by concealing the reset mechanism at the base of the lock. To reset the combination, remove the screw, insert the setting tool, push up to expose the SET indicator, then set a new code. Helps prevent accidental code changes and ensures consistent access.