In contrast to knobs, which have only one screw attachment, a cabinet pull (or cabinet handle) is attached to the cabinet door or drawer front with two or more screws. Because there are multiple screw holes, one of the most determinative factors in choosing handles is the center-to-center measurement; i.e., the difference from the center of one screw hole to the center of the next.
You’ll also want to think about how visible your hinges will be—do you want them to be a major design feature and mounted directly to both the outside of the frame and the outside of the cabinet, known as a surface-mounted hinge? Or take a more minimalist design approach and have them virtually invisible from the outside when the cabinets are closed, known as a concealed hinge? Are you worried about the noise of cabinet doors closing, and think that soft-closing hinges are important?
Cabinet hardware is composed a variety of materials -- most of which are metal alloys. Brass hardware typically has a lacquer or plating applied to its surface that makes it very durable in a kitchen. It is antimicrobial and helps to reduce the spread of germs. Bronze hardware is also antimicrobial, offers a substantial look and feel, and works well for cabinets made of thicker woods. Stainless steel is another option because it is so durable. Pewter and nickel are popular choices, too. Or, you can choose knobs made from glass or crystal for a vintage look.
Generally speaking, I like to see a combination of knobs and handles/pulls. Knobs or handles for the doors and handles or pulls for the drawers. If you are painting your kitchen, the extra holes can be filled, sanded, and smoothed prior to painting so you can start with a clean slate and choose any hardware for your update. I say “generally speaking” because lately I’m drawn to kitchens that have all handles like this “before” photo of a kitchen we recently updated.