A. Rust Armur is optional B. Higher Pole for Safter use C. Competitor Class Breakaway Rim D. High Density Pole&Gusset padding GSB672Inground Adjustable Basketball Systems Features:1. 6"x6" Heavy Duty Pole is engineered for you to dunk like a Pro. 2. Rim Height can be adjusted from 7.5’ to 10’. Safety Rod is set at height of 7'4".3. Improved Crank system: You got no chance to break it in normal ...