1/2" Inside Diameter Rubber Grommet - 1/16" Groove Width - Fits 1" Holes

Specs:

Inside Diameter: 1/2" (12.7mm)

Groove Width: 1/16" (1.6mm)

Fits Panel Size Holes: 1" (25.4mm)

Total Outside Diameter: 1-1/4" (31.8mm)

Overall Thickness: 1/4" (6.3mm)

Can be used to seal holes, on pvc pipes, protect wires from sharp objects and many other uses. Durometer hardness - 60 Can be used indoors or outdoors.