Professional dual component cartridge gun from JES Innovations with 26:1 high thrust ratio, perfect for applying 2-part materials such as epoxy and injection foam, and compatible with 200 ml dual cartridges in 1:1 and 2:1 configurations. Engineered for smooth and precise material delivery, the caulk gun is easy to use and produces great results. The dual cartridge gun comes ready to use with 200 ml 1:1 dual cartridge. Or you can easily convertible it with included hardware to use with 200 ml 2:1 dual cartridge. 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. Includes hardware for converting cartridge capacity. Compatible with dual cartridge adhesives with 200 ml capacity.