15/32" x 19/32" Zinc Plated Steel Lock Washers

Diameter: 15/32"
Diameter 2: 19/32"
Thickness: 1/32"
Material: Steel
Finish: Zinc
Nominal Size: 15/32"
Style: Internal Tooth
Type: Lock Washer
Application: Switch Plates

Box of 20.

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