Professional sausage and bulk caulk gun with 12:1 thrust ratio, perfect for applying standard materials such as acrylic, silicone and polyurethane. Compatible with three types of loading method: sausage packs, bulk, and cartridges. Engineered to deliver materials smoothly and precisely, it is easy to use and produces great results. Comes ready to use with sausage packs. Easily convertible to use with bulk caulk or cartridges with included accessories. Made with heavy duty metal barrel, handle, rod, plate and treated with premium finish, it has the durability to satisfy even the most demanding professionals. 20 oz. capacity barrel. Use with bulk caulk, 20 oz. sausage packs, or 10 oz. cartridges. Professional caulk gun from JES Innovations with 12:1 thrust ratio, perfect for applying standard materials such as acrylic, silicone and polyurethane. Compatible with three types of loading method: sausage packs, bulk, and cartridges. Engineered for smooth and precise material delivery, the caulk gun is easy to use and produces great results. Comes ready to use with sausage packs. Easily convertible to use with bulk caulk or cartridges with included accessories. Made with heavy duty metal barrel, handle, rod and plate and treated with premium finish, the caulk gun has the durability to satisfy even the most demanding professionals. 20 oz. capacity barrel. Use with bulk caulk, 20 oz. sausage packs, or 10 oz. cartridges.