1" x 1-1/16" x 1-1/2" Zinc Grade 2 Safety Lock Washers (3 pcs.)

Diameter: 1-1/16"
Diameter 2: 1-1/2"
Thickness: 3/32"
Material: Steel
Finish: Zinc
Hardness: Grade 2
Nominal Size: 1"
Style: Safety
Type: Lock Washer

Box of 3.

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