Works With All Caulking Guns And Cartridges. For Cove Base, Paneling, Flooring, Ceramic Tile, Quarry Tile, Mirror Tile, Foam Insulation Board, Tub Kits, Parquet Flooring, Carpet Seams And Edges, Or Wood Molding. Applies 11 Continuous Thick Or Thin Beads. Duct Tape Over Nozzle Holes To Control The Number Of Beads. Bead Varies With Pressure, Speed And Angle Of Application. For Horizontal, Vertical Or Overhead Areas. Nozzle Rotates To Reach Into Corners And Obstructed Areas. Provides Thick Bead With Holes Up, Thin Bead With Holes Down. Can Be Resealed For Future Use While Still On Cartridge.