P.T. Rail Angled Dry Heat Therapy Units Parts Feature 4: heart rate monitor 10 LL 100 Feature 4: heart rate monitor 5 Back Height From Floor: 32 36 Features an adjustment screw to customize rail angle to suit even the steepest stairs * Easily folds up to store out of the way and will not accidentally fall down causing an impace injuty * A machined precision tension fit hinge creates stable rock solid support * An excellent support option for sunken living rooms decks patios or 2 and 3 step stairs in garages * The P Wall Plate (sold separately) that spand structural studs for rock solid support * A floor mast (sold separately) is also available when floor mounting is preferred * Can be used with a Floor Mast #PT WRM PCW *