3/8" x 11/16" Bronze Split Lock Washers

Diameter: 3/8"
Diameter 2: 11/16"
Thickness: 3/32"
Material: Bronze
Style: Medium Split
Type: Lock Washer
Application: Nuts and Bolts

Box of 16.

The purpose for a lock washer is to prevent threaded fasteners from loosening by creating friction between the fastener and the mounting surface.