Master Lock Padlock, Magnum Hidden Shackle Lock and Hasp, M736XKAD PADLOCK APPLICATION: For indoor and outdoor use; Lock and hasp is best used for moving trucks & vans, storage locks, and buildings with sliding doors DURABLE DESIGN: Lock is made of zinc plated solid steel for maximum strength, reliability and corrosion resistance, hidden shackle design eliminates shackle exposure and protects against bolt cutter attacks MAXIMUM SECURITY: 5-pin cylinder provides maximum pick resistance while key retaining safeguard ensures padlock is not left unlocked SPECIFICATIONS: Hasp Length is 9-1/16 in., Lock body diameter is 2-7/8 in. Carriage bolts recommended for installation (bolts not included); 3/8 in. bolts recommended for installation INCLUDES: One padlock and hasp, two keys