1" x 1-5/8" 18-8 Stainless Steel Lock Washers (4 pcs.)

Diameter: 1"
Diameter 2: 1-5/8"
Thickness: 9/32"
Material: Stainless Steel
Hardness: 18-8
Style: Medium Split
Type: Lock Washer
Application: Nuts and Bolts

Box of 4.

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