EXTSW 1/2” ID x 1 5/8” OD x 1/8” 304 Stainless Washers
Actual size .507" ID x .1.615" OD x .125" Thick
(+/- .003" on all dimensions)
.030 inch Radius OD / slightly countersunk ID (no sharp edges)
Made in USA. 304 Stainless has very GOOD corrosion resistance.