Specifications
Sizes: M10 x 20mm OD
Color: Black
Package Included: 50 PCS Internal Tooth Star Lock Washers

Material & High Quality
The Internal Tooth Star Lock Washers are made of high quality 65Mn steel, which provide anti-rust property, wear resistance, oxidation resistance, high strengh, and long service time for indoor and outdoor use.

Feature
The smooth and burr-free surface make them easier and more convenient to install.

Wide Application
Perfect for machinery, furniture, electrical appliances, electronic equipment, cars, sports equipment and industrial production of shock absorption, enough quantities to meet your daily needs.

Note
Small parts, keep away from children.
Please check the size carefully before purchasing, thanks for your purchase.