Newborn 250 Super Smooth Rod Revolving Frame Caulking Gun, 1/10-Gallon Cartridge Capacity, 18:1 Thrust Ratio N/A Imported Steel revolving frame caulking gun for 1/10-gal. cartridges Thrust ratio of 18:1 for use with acrylic, adhesives, asphalt, butyl, and cement Revolving frame allows cartridge to rotate for maintaining bead orientation when caulking around corners Smooth pressure rod requires less force and is quieter than a ratchet-style pressure rod Zinc alloy handle and trigger for corrosion resistance Professional-grade high-thrust ratio caulk gun 18:1 thrust ratio Revolving barrel Zinc alloy handle Includes ladder hook