• Features unique 4" x 4 1/2" aluminum extruded profile.
• Internal key adjusts upright crossbar rest to telescope at desired height.
• "Brake shoe" design locks upright at desired height.
• Easily adjusts from 2' - 9' measurements in both Standard and Metric.
• Powder coated steel rollaway base.
• Easy turn adjustment knobs for leveling base.
• Meets WA, NCAA & NFHS rules.
Sold in pairs.