5/16" x 5/8" x 3/8" Black Chrome Plated Steel Spacers (5 pcs.)

Diameter: 5/16"
Diameter 2: 5/8"
Length: 3/8"
Material: Steel
Finish: Black Chrome
Type: Spacer

Box of 5.

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