Master Lock Padlock, Outboard Motor Lock, 1-3/4-Inch Wide. 430DSPT PADLOCK APPLICATION: For outdoor use; motor lock is designed to prevent access to remove outboard motors; best used for boats, pontoons, and other marine applications DURABLE DESIGN: This product includes a hardened steel tube with vinyl coating, and a brass body padlock with brass shackle for strenegth and corrosion resistance STRONG SECURITY: 4-pin cylinder and dual locking lever mechanism provides pick and pry resistance SPECIFICATIONS: Locks most outboard motors up to 40 horsepower, except for certain Chrysler outboards INCLUDES: One motor lock, two keys