Rubber Grommets are used for multiple projects.They're usually used to cover the rough and sharp edges of a hole in metal,wood. They also protect lines,wires and cables from chafing or grazing on rough surfaces.They also be used to reduce vibration and to seal different important under-the-hood and body applications on automobiles.
Inside Diameter: 3/4" (19mm)
Groove Width: 3/16" (4.8mm)
Fits Panel Size Holes: 1" (25.4mm)
Total Outside Diameter: 1-1/4" (31.8mm)
Overall Thickness: 9/16" (14.3mm)
Durometer hardness - 60 Can be used indoors or outdoors. Can be used to seal holes and many other uses.