Two (2) high security ProSeries Padlocks designed for Commercial/Industrial applications. Locks are keyed alike w/ 4 total keys. ATTENTION: If you order two 2-packs they will NOT necessarily be keyed the same. To ensure you get two 2-packs keyed alike, you must order the 4-pack. Lock body conceals shackle! "Bolt Cutter Tough" fully shielded 3/8 (9mm) diameter reinforced Zinc Die-Cast shackle offers impossible to cut and pry resistance features (see More Product Details below). Hardened boron alloy shackle for superior cut resistance. Solid iron shackle shroud resists harsh physical attacks. Dual ball bearing locking mechanism resists pulling and prying. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions., Weight: 0.15 Pounds, Manufacturer: Master Lock