Buchanan® Grommets are designed for quick and easy installation, snapping instantly into 3/4" knockouts in electrical boxes, sheet metal, vehicle firewalls, and more with a material thickness of 1/16 inch. These flexible PVC grommets, effectively prevent steel and other sharp edges from chafing and damaging wires and cords. With Buchanan® grommets, you can expect secure and reliable protection for your wiring needs. Install instantly - just snap into holes Prevents sharp edges from damaging cables and cords Designed for 3/4-inch knockouts in material up to 1/16-inch thick Flexible PVC with 60 durometer hardness Bag of 10 snap-in grommets