9 Step. 81" Platform Height Part # 1579 G24 Their unique stabilizing system offers total stability. These heavy duty rolling safety ladders are without doubt the most solid and secure on the market. Moreover, they comply to all security standards (ANSI 14.7 standard). Each ladder comes with a compliance plate affixed. Steps and top step are made of slip resistant 14 gauge steel. The 52 degree climbing angle permits forward descent. • Overall height: 121" • Base width: 36" • Base depth: 77" • Platform height: 81" • Platform width: 24" • Platform depth: 20" • Weight: 210 lbs • Steps: 9 • Capacity: 500 lbs • Wheel Type: All 4" swivel *Standard 13” Deep Top Step From 3 To 7 Steps And 20” Deep Top Step From 8 To 16 Step *40” High Handrails And Guardrails *Heavy Duty 1” Square Tubing Structure And 2” x 1” Rectangular Staircase Structure *Baked Urethane Finish