3 screwdrivers (1 Philips head, 1 small flat head, and 1 large flat head) to help you keep your sewing machine running smoothly. Great for changing needle plates, adjusting bobbin case tensions, or on other small appliances. The compact size (4″ and 2¾” long) makes it easy to get to hard to reach screws and are perfect for storing in a sewing basket or sewing kit.