Especially designed for inflatables. Contour design hugs hull and allows for easy boarding. Compact for storage aboard. Attaches easily to floorboard or side with 3/8" line and heavy-duty swivel snap. Vinyl sleeves will not mar hull fabric. Plastic poly steps, traction molded. Durable 1" aluminum tubing. 15" wide. Folding. 1 to 3 steps. 33" long.