<p>[What You Get] - The package comes with 60 Pcs Spring Lock Washer. Inner Dia: 8.1-8.7mm\/0.32-0.34inch; Outer Dia: 12.1-13.1mm\/0.48-0.52inch; Thickness: 2-2.2mm\/0.08-0.09inch.</p> <p>[Easy to Use] - Generally used under the bolt or nut to evenly distribute the load of the bolt, screw and nut when the fastener is tightened.</p> <p>[Material] - Our split lock washer is made of 304 stainless steel, which is strong, oxidation-resistant and rust-proof, with good corrosion resistance and long service life.</p> <p>[Wide Application] - The ring spring washer is fit for screws, nuts and bolts of the same size, and can be used to connect machinery to prevent loose connections. It is widely used in metal plates, decks, furniture repairs, outdoor buildings and electrical maintenance.</p> <p>[Function] - The spring washer is mainly used to prevent nuts, bolts, screws from loosening due to mechanical aging, vibration, friction, and plays the role of fixing objects to ensure the stability and security of the machine.</p>