The Stromberg Carlson 42" Lend-A-Hand Banister-Style Rail provides steady, smooth support as you go up or down steps.• Anodized finish with ribbed tubing for better grip• Folds flat and locks against the side of RV without tools• 42" rail designed for all double and some triple steps Folds flat & locks against the side of the RV without using tools 42"" rail for use with all double & some triple steps | Stromberg Carlson 42" Lend-A-Hand Banister Rail