Vertical Standards Vertical StandardsPart No.HeightWeightUS17T (Topping Off Column)1′ 7″6.0 lbsUS17 (1 Rosette)1′ 7″6.0 lbsUS33 (2 Rosettes)3′ 3″11.9 lbsUS66 (4 Rosettes)6′ 6″21.0 lbsUS99 (6 Rosettes)9′ 9″30.2 lbs