b'Grade 3.1 Grade 3.2 Grade 3.3 Grade 4.1Grade 4.2 Grade 4.3DimensionsLbs.Grade 3.1 44.1 31.1 21.7 20.5 - 15.43 lbs 12.36 ft 3Grade 3.2 44.1 31.1 21.7 20.5 - 15.43 lbs 12.36 ft 3Grade 3.3 44.1 31.1 21.7 20.5 - 15.43 lbs 12.36 ft 3Grade 4.1 39 26 21.3 18.9 - 14.33 lbs 10.59 ft 3Grade 4.2 39 26 21.3 18.9 - 14.33 lbs 10.59 ft 3Grade 4.3 39 26 21.3 18.9 - 14.33 lbs 10.59 ft 3132'