Diameter 18 in; Length 19.1 ft; Material SS; Mill Number None; Overall Length 244 in; Spacing 17.5 in; Inside 19.5", 17.5" Screw Pitch x 18", First 2 ft. of Shaft on Drive End has Beaters, 2 15/16" Shaft Dia. At Drive End, 6.5" Shaft Dia. Inside Tub, No Motor or Gearbox