High Quality Stainless:These split lock washers hardware are made of 18-8 (304) stainless steel, which is are very nicely finished, finished smoothly and have no sharp edges or burrs.
What You Get:100 PCS #10 split spring washers.
Function: The spring washers used with bolt and flat washer,effectively prevent nuts and bolts from loosening in industrial, decks and fence building, automotive and so on.