Benchtop Heavy-Duty Laboratory Mixer holds 5qt (4.7L) and has a 1/6hp motor with selectable operating speeds of 139, 285 and 591rpm. Additional heavy-duty stainless steel flat beater is included, and a 6ft (1.8m) power cord. : AASHTO T 162 , ASTM C109 , ASTM C227 , ASTM C305 , AASHTO 106M/T 106