Tri-Arc KDSR112242-D2 - 12 Step Deep Top Step Rolling Ladder with 24" Wide Serrated Treads
120 in Platform Ht, 30 in Platform Dp, Rolling Ladder - 25NW85|KDSR112246-D3 - Grainger
12 Step Rolling Safety Ladder - Unassembled with 20" Top Step H-1554-20 - Uline
12 Steps, 120″ H Steel Rolling Ladder, 450 lb. Load Capacity | Factory Equipment
Tri-Arc KDAD112246 12-Step All-Directional Safety Angle Steel Rolling Industrial & Warehouse Ladder with Perforated Tread: Stepladders: Amazon.com: Tools & Home Improvement
Ballymore CL-12-28 12-Step Heavy-Duty Steel Rolling Cantilever Ladder with 120" Platform Height, 28" Overhang, and 117" Vertical Clearance
12 Step Safety Angle Rolling Ladder - Unassembled with 24" Top Step H-5210-24 - Uline
Cotterman Rolling Steel Ladder - 450-Lb. Capacity, 12-Step Ladder, 120in.H Platform, Model Number 1512R2632A1E20B4C1P3: Amazon.com: Tools & Home Improvement