Hand Crank Arm

A hand crank arm is a mechanical component that is used to manually operate a device or machine. It typically consists of a long, straight handle or lever that is attached to a rotating shaft. By turning the hand crank arm, the user can generate rotational motion, which can be used to power various mechanisms or perform tasks such as raising or lowering objects, operating pumps, or winding up springs. Hand crank arms are commonly found in applications such as manual winches, hand-operated tools, and certain types of machinery where manual power is required.