A 20oz manual sausage caulking gun is a tool used to dispense sealants like caulk or adhesive from 20-ounce sausage-shaped packages. It uses a mechanical system (e.g., a handle that pushes a piston) to apply pressure and force the sealant through a nozzle. FeaturesTRI-BUILT 20oz sausage gun with 12:1 mechanical advantage driveDesigned for standard viscosity materialsFull size handle for comfortable, efficient dispensingDouble gripping plate technology for no slipping and long lifeStronger barrel to handle connection with 3-screw designDispenses 10oz, 13oz or 20oz sausage packsConverts to dispense bulk or 10oz / 12oz cartridges with parts includedKit includes 3 narrow plastic nozzles, 3 black cone nozzles, 2 polyplastic sausage pistons, 1 Hytrel bulk piston and steel ladder hook pullTRI-BUILT provides quality residential and commercial building materials that deliver professional results. By focusing on the professional contractor, TRI-BUILT has become a recognized and trusted leader in the construction industry. From roofing and siding materials, windows, coatings, and more, TRI-BUILT is a name you can trust at a competitive price.