• Protects battery and alternator connections from corrosion and shorting
• Professional appearance of your wiring. Use with 3/8”, 5/16" or smaller studs to fit over nut 
• Use with wire diameter between 0.7" and 0.9" (3/0AWG-4/0AWG), Simply trim material to desired opening size
• Includes 2 x red and 2 x black covers. Great for alternator, starter, solenoid, or power junction studs
• High-quality silicone rubber material. Rated temperature: -40C to 105C