Commando Lock Total Guard 1-3/4 in. Bolt Cutter Proof High Security Keyed Padlock W 1-1/8 in. Shackle Weather Resistant Military-Grade 5001 - The Home Depot
Amazon.com: 1 3/16 Grip Range, Emka L-Handle Locking, Black Polyamide Clear Zinc Coated, Heavy Duty NEMA 4 Rated 1/4 Turn Latches (1 Each) : Industrial & Scientific
Master Lock Magnum 1-3/4 In. W. Dual-Armor Keyed Padlock with 2-1/2 In. L. Shackle (2-Pack) - Farmers Building Supply