An assortment of anti-turn washers from The Hillman Group. Anti-turn washers have serrations that extend radially inward and/or outward to bite into the bearing surface. This type of washer is effective as a lock washer when used with a soft substrate, such as aluminum or plastic. Variants included in this assortment range from 1/4" to 1/2" in diameter. Full assortments of #46217 contain four (4) refills comprised of Hillman item numbers #412146 - #412149.