Bencher Morse keys are a type of telegraph key used for sending Morse code messages. They are named after their inventor, Horace G. Bencher, who developed them in the early 20th century. Morse keys are used by amateur radio operators, telegraph enthusiasts, and in some military applications. They consist of a lever or paddle that is pressed down to make a connection and released to break the connection, allowing the operator to send Morse code signals. Bencher Morse keys are known for their high-quality craftsmanship and durability, making them a popular choice among Morse code operators.