7/8" x 1-15/32" 18-8 Stainless Steel Lock Washers

Diameter: 7/8"
Diameter 2: 1-15/32"
Thickness: 1/4"
Material: Stainless Steel
Hardness: 18-8
Style: Medium Split
Type: Lock Washer
Application: Nuts and Bolts

Box of 5.

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