EXTSW 3/8” ID x 5/8” OD x 1/8” Thick 316 Alloy Stainless Washers
Actual size .383" ID x .615” OD x .125" 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.