The EDT22A epoxy adhesive -ol features a steel carriage and is engineered for high-volume, continuous use. The -ol can be easily converted (conversion parts included) from dispensing a 22 oz. 1:1 ratio cartridge - a 16.5 oz. 2:1 ratio cartridge. The most efficient application method for all types of repairs. Just hold the trigger and let the -ol do the work. Features an ergonomically designed nylon reinforced handle that includes a power adjustment dial and power piston return. All of these features in a -ol that weighs just 4kg. Capable of generating 116 psi of injection pressure. Air supply attachment is ¹/4-18 npt (male) thread and recommended air pressure is between 80-100 psi.