Air Rust Proofing and Undercoating Gun with Gauge & Suction Feed Cup, 2 Wands - 22" Long Flexible Extension Wand with Multi-Directional Nozzle - Spray Truck Bed Liner Rubberized Undercoat. This durable pneumatic air application gun is excellent for applying automotive rustproofing with the two wand nozzle extensions and for applying rubberized undercoating, chip guard, truck bed liner, and other general-purpose coatings without the extension.
eBay