3/16" x 3/8" x 1/4" Black Rubber Grommets (10 pcs.)

Diameter: 3/16"
Diameter 2: 3/8"
Thickness: 1/4"
Material: Rubber
Finish: Black
Type: Grommet
Groove: 1/16"

Box of 10.

Grommets and eyelets are metal, plastic, or rubber rings that are inserted into a hole made through another material. They may be used to reinforce the hole, to shield something from the sharp edges of the hole, or both.