5/8" x 2-1/2" x 2-1/2" x 3/16" Galvanized Square Washers SQRWSR-138 (25 pcs.)

Diameter: 5/8"
Length: 2-1/2"
Thickness: 3/16"
Material: Steel
Finish: Hot Dip Galvanized
Hardness: Grade 2
Nominal Size: 5/8"
Style: Hole Square
Type: Square Washer

Box of 25.

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