Product details:

Sold ASPack of 10 lb Product Overview Engineered to provide more uniform load distribution, split lock washers are great for any indoor/outdoor project. Ideal for situations where potential loosening from corrosion or vibration is a concern, split lock washers are used to prevent nuts and bolts from coming loose. These fasteners contain split ends that help "lock" into the mating material, thus providing a locking feature when tightened beneath a nut. The zinc finish provides moderate corrosion resistance. Use with treated lumber in applications with like nuts and bolts of similar diameter. * Commonly used in applications using a bolt or a screw where two pieces are being joined together Split ends grip the material surface to prevent loosening during vibration Zinc finish for moderate corrosion resistance Use with like nuts and bolts of similar diameter Product Details Diameter: 3/8 in. Finish: Zinc-Plated Material: Steel Number in Package: 1500 pc. Unit of Measurement: Metric 10 lb box Approximate piece count: 1666