5/8" x 1-15/32" x 3" x 3" x 1/4" Earthquake Code Square Washers SQRWSR-141 (16 pcs.)

Diameter: 11/16"
Diameter 2: 1-15/32"
Length: 3"
Thickness: 1/4"
Material: Steel
Finish: Plain
Hardness: Grade 2
Nominal Size: 5/8"
Style: Earthquake Code
Type: Square Washer

Box of 16.

A square washer is used to decrease tension by increasing the surface area of the contact point.