Little Giant Model 13470-001 | KING KOMBO Professional, 4' - ANSI Type IAA - 375 lb Rated, Fiberglass 3-in-1 All-Access Combination Ladder with Rotating Wall Pad Accessory - Industrial Ladder & Supply Co., Inc.
4.0mm Multi-Purpose Aluminum Alloy Extension Ladder Heavy Duty Folding Combination Ladder Portable Home Outdoor Stairs, 330 Lb Maximum Capacity(Size:Straight 3.6M= Herringbone1.8M) - Amazon.com