5 pc Custom EXTSW 20.25 mm ID x 31.5 mm OD x 1.5 mm Thick 316 Stainless Washers

5 pc Custom EXTSW 20.25 mm ID x 31.5 mm OD x 1.5 mm Thick 316 Stainless Washers 20.25 mm ID x 31.5 mm OD x 1.5 mm Thick (+/- .1 mm on all dimensions) .798" ID x 1.240" OD x ..060" Thick (+/- .003 "on all dimensions) .030 inch Radius OD / slightly countersunk ID (no sharp edges) Made in USA. 316 Stainless has the ULTIMATE corrosion resistance.