Heavy Duty Indoor & Outdoor Padlock - Large heavy-duty padlock features a one-piece lock body, 304 stainless steel locking shackle, 52mm wide lock body, and 8mm diameter shackle, providing effective resistance against shearing and prying. Tested for over 180 hours in salt spray to verify durability in harsh environments. Hidden Password & Anti-error Design - Password mechanism is located at the bottom of the lock for enhanced concealment. To reset the password, unscrew the screw, push the setting key up to reveal the SET indicator, then reprogram the code. This design helps prevent lockout due to accidental password changes. One-Touch Unlocking Design - Factory default password is 0-0-0-0. After setting your custom code, simply press the center button to unlock for quick and convenient operation. Note: Record your new password by taking a photo to avoid lockout. Unique Appearance - Square shell design offers a clean, modern look. The lock features anti-slip texture for improved grip and comfort. Weighs only 270g, compact and lightweight for easy portability. Wide Range of Uses - Constructed with high-quality stainless steel for enhanced security, anti-theft performance, water resistance, snow resistance, and rust resistance. Suitable for garden gates, fences, warehouses, garages, lockers, and other indoor or outdoor applications. Ideal for personal use or as a gift. Color: Black Material: Metal Package Contents: 1 x Padlock Note: Light reflection and display differences may cause slight variations in color between the image and the actual item. Measurement tolerance: +/- 1-3 cm.