Features: Crafted from premium silicone, these 3/4" wall grommets deliver outstanding flexibility, heat resistance, and waterproof sealing for stable cable management in setups and general wiring applications. Featuring a general 19mm diameter, these compatible grommets securely accommodate cables up to 7mm thickness through wall without disconnecting existing wiring during installation. Ideal for enthusiasts, electricians, and homeowners seeking professional cable routing solution that secure organized and damage easy wall penetrations. Perfect for installing internet cables, security systems, or outdoor lighting through wall in residential homes, offices, or garage workshops. The star shaped silicone design maintains tight compression against cables and wall surfaces, offering shaking dampening defense for long term durability in dynamic environments. Specifications: Component : silicone Size: about 19x26x38mm/0.75x1.02x1.5inch Package Includes: 8pcs Cable Wall Grommet note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.