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 400 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 400 ml dual cartridges in both 1:1 and 2:1 ratios. Simply snap the cartridge onto the tool. 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. Compatible with dual cartridge adhesives with 400 ml capacity in 1:1 or 2:1 configurations. JES product support (866) 601-6222.