Metric-English adapter plates are designed to connect our new Metric components to English breadboards while English-Metric adapter plates connect English components to Metric breadboards. These adapter plates are universal and can also be used to connect rotary stages, translation stages, and lab jacks together. See drawings for more details. For versatility, center counterbore is designed to accept both ¼ and M6 socket head cap screws. Both are available in large 5" square or 2.5" square sizes.