The Newborn 315 Super Ratchet caulk gun is built for professional-grade performance with high-viscosity materials including adhesives, asphalt, butyl, and cement. The ratchet rod mechanism holds the plunger in place after each trigger pull for controlled, consistent dispensing. Zinc chromate plating provides corrosion resistance for long service life.

• Accepts standard 1/4 gallon (29 oz) cartridges
• 6:1 thrust ratio for high-viscosity materials
• Ratchet rod mechanism for controlled dispensing
• Zinc chromate plating resists corrosion
• Built-in seal puncture tool and spout cutter
• Sturdy ladder hook and protective finger guard
• Pistol grip with contoured trigger