Foldable locking design saves on storage space when not in use. Welded construction. Easy to maneuver. 58 slope, 7" deep steps for easy climbing. Perforated step. Locks in the folded or climbing positions. Approximately 10" deep when folded for easy storage. Top step height 20". Open Size: 24"W x 17"L. Folded Dimensions: 24"W x 10"L x 41"H.