EXTSW 3/8 ID x 1” OD x 1 1/2” long 316 alloy stainless shaft spacer
Actual size .383" ID x .990” OD x 1.500 long
(+/- .003" on all dimensions) 
.030 inch Radius OD / slightly countersunk ID (no sharp edges)
 Made in USA. 316 Stainless has the ULTIMATE corrosion resistance.