EZR 21 S Mixer is easy to handle, even while mixing the most demanding of materials. This dual-paddle mixer is quick and efficient when mixing heavy products such as mortar, flooring compounds, epoxies, fiber-filled cements, ceramics, granulates, pastes and putties. Each paddle is 4-3/4” diameter with 8-1/4” working width. Mixing paddles are made of welded steel and are galvanized for protection against corrosion and resistance against abrasion.