CAULKING GUN 9 INCH 9" robust, contractor grade caulk gun. Designed for our large10.5 oz Xtreme Adhesive cartridges but will work with standard-sized cartridges from any manufacturer. Better than "Big Box" quality for the discerning Contractor or DIYer. Die cast handle with quick release pressure thumb tab and attached tube perforation spike. Double reinforced metal joints with anodized and powder coated finish.