The 3M™ Scotch-Weld™ Pneumatic Applicator is a self-contained, pneumatic, meter mixing and dispensing machine. It simultaneously meters and mixes two-part adhesives as the material is applied. It's designed for dispensing 3M™ Scotch-Weld™ Adhesives in 490 ml cartridges in a 10:1 format (sold separately.) The 3M™ Scotch-Weld™ Pneumatic Applicator is designed to apply 3M™ Scotch-Weld™ Structural Adhesive Duo-Pak Cartridges (sold separately) for easy, quick applications. This applicator uses a pneumatic connection to supply continuous pressure, enabling a fast and easy way to meter, mix and apply two-part adhesives.