Features Excellent PVC Material: This electrical nuts caps are made of excellent PVC material, which can effectively prevent the unstable connection of the leakage box and improve the safety and insulation. Wide Application: This electrical nuts caps can be used for home theater, speaker wires, stereo wiring, automotive, marine wiring projects, home wiring projects, commercial or residential applications and more. Thermoplastic Shell Cover: This electrical nuts caps feature a rugged thermoplastic shell cover that can withstand extreme environments with a maximum temperature rating of 221°F (105°C). Easy To Install: This electrical nuts caps are very easy to install, all you need to do is screw it into the appropriate place. Multiple Colors: This electrical nuts caps set comes in 5 different colors, each color corresponds to a different size for easy identification and selection. Specification: Item Type: Electrical Nuts Caps Material: PVC Package List:100 x P1 Gray Electrical Nuts Caps100 x P2 Blue Electrical Nuts Caps60 x P3 Orange Electrical Nuts Caps40 x P4 Yellow Electrical Nuts Caps20 x P6 Red Electrical Nuts Caps1 x Storage Box Package List 100 x P1 Gray Electrical Nuts Caps 100 x P2 Blue Electrical Nuts Caps 60 x P3 Orange Electrical Nuts Caps 40 x P4 Yellow Electrical Nuts Caps 20 x P6 Red Electrical Nuts Caps 1 x Storage Box