Master Lock 121T Black Padlock, 7/16 Inch Shackle PADLOCK APPLICATION: For indoor use; Small padlock is best used for backpacks, briefcases, and tackle boxes DURABLE DESIGN: Padlock features a black vinyl-covered aluminum body that is scratch and corrosion resistant and a steel shackle SPECIFICATIONS: 3/4 in. wide lock body; 5/32 in. diameter shackle with 7/16 in. length, 1/4 in. width INCLUDES: Two padlocks, two keys; both keys open both locks (matching color key head for added convenience)