Poignées boule

Ball knobs are a type of handle or control designed with a spherical shape, which makes them easy to grip and manipulate. They are commonly used in machinery, equipment, and various devices for manual adjustments or control. The round, ergonomic design allows for a comfortable and secure grip, facilitating turning, pushing, or pulling motions. Ball knobs can be made from a variety of materials, including plastic, metal, and wood, depending on their intended application and durability requirements. They are frequently found on levers, gear shifts, control panels, and doors, providing an intuitive and efficient means for operators to interact with machines and instruments. Their widespread use in industrial, automotive, and household settings underscores their versatility and effectiveness as a control interface.