Lot of 100 Self Locking Washer Speed Clips, 1-1/2 inch Outside Diameter, Stainless Steel, Beveled, Internal Tooth with no oil coating. Inner hole diameter .093 to .096 inch, or 2.3mm, in fractions the calipers show 3/32 or sometimes 11/128. For use with insulation anchors, weld pins, ect. While some photos show very clean, shiny, stainless metal, the majority of these washers will have discoloration spots from extended storage, as seen in photos with groups of 10 washers. These are high quality washers but the majority will have some spots or discoloration. These spots or discoloration is slight and does not effect the quality of this stainless steel. Hundreds sold previously with positive feedback. These  have more discoloration from extended storage. Free shipping from USA.