5/16" x 5/8" x 1/4" Black Chrome Plated Steel Spacers (6 pcs.)

Diameter: 5/16"
Diameter 2: 5/8"
Length: 1/4"
Material: Steel
Finish: Black Chrome
Type: Spacer

Box of 6.

A spacer is generally something used to create a space between two objects, often to properly position them.