#4538 - Economy Air Undercoat Gun

• Applies a top quality undercoat to vehicles to fight rust and stone chips
• Applies all popular brands of undercoat in any viscosity
• Unit comes with 2 tubes:
– 3-1/4″ Long with 5/16″ ID
– 7-1/4″ Long with 1/4″ ID
• Cap Thread Pitch: 1-3/4″ x 6 UNS
• Quick disassembly for faster cleanups
• Weight: 0.65lbs