The Graco ToughTek M680a Bare Piston Pump System with Flex Hose Applicator (24T835) is a professional-grade pneumatic mortar sprayer engineered for contractors who need reliable performance when applying abrasive, cementitious, and heavily filled materials. Featuring Graco's durable piston pump technology and all-stainless-steel construction, the ToughTek M680a delivers up to 10.88 GPM and 1,000 PSI while handling demanding materials such as epoxy mortars, non-skid coatings, cementitious materials, and polymers filled with glass flake, silica, or sand. The pneumatic design uses a single air source to operate the pump and atomization air, while the Flex Hose Applicator is designed for heavily filled materials that are prone to packing out and provides a rough finish texture. Built for industrial coatings, mortar, concrete repair, marine, bridge, and specialty construction applications, this system is ideal for professional contractors seeking a durable and versatile solution for challenging materials. Available from NMR, your authorized Graco dealer and service center for professional spray equipment, parts, repairs, and technical support.