Newborn 250 Professional Zinc Alloy Caulking GunEnjoy smooth performance with the Newborn 250 1 10 gallon Super Smooth Rod Caulk Gun. Ideal for home improvement projects, it features an effective 18: 1 thrust ratio for comfortable pumping. This professional caulk gun has a zinc alloy handle for durability. It is built with a ladder hook for convenience when caulking up high. The Newborn caulk gun has a revolving barrel and comes with a simple thumb release for stopping the caulk flow and for