【HIGH SECURITY】4 digits offer 10,000 combinations for greater security than 3 digits. Relax while exercising or working. 【STURDY CONSTRUCTION】With a high-strength zinc alloy housing, hardened steel shackle, and excellent craftsmanship, the durable long shackle padlocks are weatherproof, rust-proof, and cut- and saw-resistant. 【SPECIAL DESIGN】Compact size, lightweight, and convenient to store and carry. Side window for easy viewing of the combination. 【EASY TO SET】The digital combination design makes it easy to set and reset your preferred combination and allows you to easily carry the key with you. 【VERSATILE APPLICATION】Suitable for storage units, gyms, schools, work lockers, swimming pools, etc. Specifications Type: 4-digit combination lock Resettable: 10,000 possible combination codes Material: Zinc alloy Quantity: 2 Color: Black Shackle thickness: 6.3 mm Lock body height: 80 mm Lock body height: 48 mm Width: 40 mm Thickness: 16 mm Pitch: 20 mm INSTRUCTIONS: The default combination