All stainless steel construction, rated at 400 lbs. Features 1-3/4 thick-walled tubing. Divers will appreciate the center bar design and comfortable angel for easy ascent. Wrap-around PVC treads provide maximum foot comfort. Includes DLB3 mounting bracket with w/lock pin for positive lock and quick-release. Electropolished corrosion resistant tubing. Manufacturer's unlimited lifetime warranty. Made in the USA."