Carabiner Rubber Grommet Plug 21mm OD 13mm ID Seal Anti-Scratch Grey for Electrical Box Cable Pipe, Pack of 4

Rubber grommet is mainly used to protect cables or wires from scratches caused by electrical boxes and some wooden boxes. It is widely used for hole plugging, outlet sealing and other industrial equipment. Size: 21 x 13 mm/0.83 x 0.5 inches (OD x ID); Height: 12 mm/0.47 inches; Mounting hole diameter: 17 mm/0.67 inches; Package includes: 4 x rubber grommets Made of silicone rubber, the grommet is flexible and durable, resistant to high temperature and corrosion. It is waterproof and dustproof and has strong insulation, making it safer to use. The unique buckle design fits the hole better, so it is easily fixed for better wire protection. No special tools are needed, just choose the right size or drill a suitable hole in the box, attach the rubber ring to the hole and let the wires through. Please check if the size is suitable for your needs before ordering.