EXTSW 1/4” ID x 1” x .150” Thick 304 Alloy Stainless Washers
Actual size .257” ID x .990” OD x .150” thick
(+/- .003" on all dimensions)
.030 inch Radius OD / slightly countersunk ID (no sharp edges)
Made in USA. 304 Stainless has the very GOOD corrosion resistance.