Vintage Cast Iron Base.
Heavy and solid. Ready to use. Made for 2 3/4” column / shaft. Comes with bolts and set collar. Measures approx 15 1/2" x 20" x 3" tall. Dates to the 1940s and came off machine serial number 3-3758 with old style red Serial Number plate. No chips or cracks. Has some original green paint.
ref 30271.