The 9 inch Contractor Caulking Gun features a zinc alloy handle and powder coated finish for durability. With a thrust ratio of 10:1 and a push force of 1500 N, it ensures strong, consistent application. Ideal for professional construction and home improvement tasks. • High push force of 1500 N delivers strong and consistent caulking applications, ideal for demanding tasks. • Thrust ratio of 10:1 allows for efficient caulking with minimal effort, reducing user fatigue. • Zinc alloy handle provides durability and a comfortable grip, enhancing user control during extended use. • Extra heavy duty skeleton type construction enhances the tool's durability and performance in tough conditions. • Built-in seal punch adds convenience by allowing users to easily puncture seals without additional tools. • Powder coated finish protects against corrosion, ensuring the caulking gun remains in top condition over time. • Smooth rod design facilitates easy operation, providing a seamless caulking experience. • 12 piece display case offers organized storage and easy access for multiple units, ideal for professional settings.