【Large Heavy Duty Padlock for Indoor and Outdoor】The large heavy duty padlock adopts one-piece lock body, 304 stainless steel lock beam, 52mm wide lock body, 8mm diameter shackle, 270g weight. The maximum security combination lock is designed for indoor and outdoor use such as gate, garage, shed, fence, storage, school, gym, staff office, etc. Providing better protection and security against theft. 【High Quality & Weather Resistant】The waterproof combination lock is made of high strength zinc alloy, rustproof and weather resistant. The padlock is constructed with a zinc body and reinforced bumper for strength and reliability, and a hardened 304 stainless steel shackle for cut resistance. Over 180 hours of salt spray testing has been conducted to prove its resistance to harsh conditions. 【4-Digit Combination Lock】 Unlike the 3-digit combination, Diyife coded padlocks provide 10,000 code combinations, which is harder and safer than the previous version. In addition, thanks to the