The SolidStep's innovative design permits the step to operate through a wide range of ride heights with adjustable leg extensions. The design also ensures that the steps stay parallel to the ground, reducing the potential for slipping or falling during use. The SolidStep design permits the step to stow inside of the entry door, keeping road debris and corrosion away while simultaneously permitting continuous skirt metal on the RV, enhancing the aesthetics of the coach.Recessed feet prevent trip hazard and maximize clearance for camping spot.Mounting screws provided for either wood or laminate floor applicationsNo bounce, manual steel step with aluminum treadsKickplate prevents damage to sidewall and skirtExtra-wide top step for easy entry and exit400-pound capacityOptional Lift Assist Kit includes Lift Assist Strut that makes lowering & raising your SolidStep easy