Walthers Brass Washers are perfect for your models and for any other model or device that needs miniature hardware. Walthers hardware offers matching screws, as well as washers, hex wrenches, taps and other miniature hardware and tools in standard small sizes.Machine and wood screws may be brass or brass plated.#00 (O.D. = .110″, I.D. = .048″, .016″ Thick)