Buffalo Tools GSM4 Roll-and-Fold Mini Scaffold, 4-Foot 2 Adjustable Height Steel Deck Boards with a Non-Slip finish. Provide a strong and durable for years of use. Allows for 4 different height positions. 4 Swivel Lock Wheels allow easy movement of the Mini Scaffold and when locked a secure foundation. Folds to a depth of 4" for easy storage when not in use. When not in use as a scaffold the Mini Scaffold functions great as shelving or as a platform cart for moving things. 2 Year No-Nonsense Warranty