• lightweight • stable entry to and exit from your rv • stores securely right inside the door • twist handle to release the steps • adjustable feet level the steps on uneven terrain available in select retail supercenters added stability entering and exiting stepabove and folds up into doorway durable black powder-coat finish 34"-36" threshold height adjustable feet in rear works with 4-step models with adjustable feet in rear innovative design lets the step operate through a wide range of ride heights without the need to adjust • 13" xl top step tread depth provides extra-large landing coming in and out of your rv • threshold panel behind the top step protects the trailer sidewall from damage • aluminum treads hold up against the elements • 8.5" lower tread depth • includes floor backing plate for use on laminated floors fits 30"-36" door fits 30"-36" door fits 30"-36" door integrates a lift assist strut that makes lowering and raising your solid step legs and feet tuck neatly out of the way on back of step • wide range of ride heights with adjustable leg extensions • steps stay parallel to ground reducing potential for slipping or falling