170PCS Rubber Grommet Firewall Hole Plug Kit - 7 Sizes for Wiring Drilling Projects This 170-piece rubber grommet and firewall hole plug kit is designed for versatile use in wiring, drilling, and sealing applications. Made from high-quality, heat-resistant, and weatherproof rubber, these grommets provide durable and repeatable sealing for protecting wires, cables, and hoses. With 7 common sizes included, this set is ideal for DIY projects, automotive repairs, electrical installations, and industrial applications. The flexible design allows for easy installation, and the grommets can be cut or adjusted to fit varying thicknesses. Perfect for passing wires through metal panels, firewalls, frames, and drywalls, this kit offers the ultimate solution for cable management and hole sealing. Durable and Heat-Resistant Rubber - Made from nonflammable, weatherproof, and wear-resistant rubber material for long-lasting performance. 170-Piece Multi-Size Set - Includes 7 common sizes to meet various project requirements: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", and 1". Flexible and Easy Installation - Rubber grommets are flexible, cuttable, and can be easily clamped directly into pre-drilled holes for quick setup. Versatile Applications - Suitable for use in automotive repairs, machinery, pumps, chemical pipelines, and electrical installations to protect cables and wires. Comprehensive Organization - Comes in a labeled storage box for convenient organization, ensuring easy access to the required size. Specifications: Material: High-quality rubber Kit Includes: 170 rubber grommets in 7 sizes 50 pieces: 7.14 mm (1/4") 40 pieces: 9.53 mm (3/8") 30 pieces: 12.07 mm (1/2") 20 pieces: 15.88 mm (5/8") 10 pieces: 19.05 mm (3/4") 10 pieces: 22.23 mm (7/8") 10 pieces: 25.40 mm (1") Heat Resistance: High-temperature durability Weatherproof: Yes DIY Applications: Woodworking, automotive repairs, electrical wiring, and industrial sealing Features: High-quality rubber construction for repeated sealing and protection against wear, dust, and rain. Multiple sizes in one box to fit different hole diameters and wiring setups. Flexible and customizable grommets designed for easy installation. Suitable for covering holes, protecting cables, and preventing sharp edges from damaging wires. Organized in a compact, labeled storage box for portability and convenience. Package Includes: 1 x 170-Piece Rubber Grommet Kit 1 x Storage Box with Size Labels Usage Instructions: Select the appropriate grommet size for your hole or wire diameter. Cut or adjust the grommet if needed for a custom fit. Insert the rubber grommet into the hole and press firmly until it locks into place. Pass the cable or wire through the grommet to protect it from sharp edges. (description exceeds maximum possible length)