These custom precision aluminum stamped plates work in combination with a separate custom aluminum plate in a medical device application. The parts are extremely tight tolerance dimensionally and are clear anodized prior to their final use. The overall length is set at 2.5" and overall width at its maximum point is set at 1.70". Thickness is .100 +/- .004". It took 3 different sample runs to get these parts just right before running full production.