STURDY EXTENSION LADDER: A Frame Extension 4-step Ladder with the robust high-strength steel frame, which ensure outstanding stability and security, Fully open dimensions: 35.1"L * 36.6"W * 79.13"H, folded dimensions: 35.1"L * 8.66"W * 50.79"H IMPROVED STABILITY: With 2 Anti-slip balance bars, Strengthen the stability