Specification: 2 in (50 mm) Drill Hole, 1-5/8 in (42 mm) Inside Diameter, 2-3/8 in (60 mm) Overall Diameter, 1/8 in (3.5 mm) Groove Width, and 7/16 in (11 mm) Total Thickness; 4PCS of Double-sided round rubber cable hole plug Superior Quality: Crafted with Durable and Flexible Rubber, our rubber grommets for wiring are resistant to corrosion, pressure, high temperatures, UV light and ozone, making them long-lasting and tear-resistant. EASYEAH black grommets rubber, non-toxic and tasteless with comfortable and exquisite appearance Passed EU RHOS 2.0 test Double-Sided Cable Guard: Our rubber wire grommets can withstand high-intensity twisting and tearing for use in wiring work; When used in a household setting, the cable grommet can not only be used as dust plugs to prevent dust from entering, but can also be cut into high-quality insulation holes to protect wires; The excellent heat resistance and flame retardancy perform equally well in many heavy industries Easy to Install: Our rubber plugs for holes can be installed quickly and easily on one side only, and remain sealed until the membrane is pushed out, making them perfect for small or long cords and cables; A great choice for both DIYers and professionals Versatile Applications: Our rubber hole grommet are perfect for protecting cables and wires from dust, rain, and sharp edges, covering holes, preventing metal-on-metal contact and are essential for for automotive, wall, firewall, car, electrical appliance, cabinets and hardware repair, decoration and more