4 PCS Universal Firewall Boot, Rubber Grommets Can Accommodate 3/8 to 1 Inch …
The installation is very easy. Rubber is very sturdy with good toughness. It is resistant to wear, tear, and tensile force, not easy to deform or break in daily use. It is waterproof and dustproof, prevents cables from being exposed to the air, in order to reduce unwanted leakage.