Feature： Combo 3 step includes the regular dual step along with an extra bottom step that bolts under the tongue with approx 2” drop under the tongue making your two step into three total steps. The extra step is essential for winching your boat up the trailer when loading because now you have somewhere to stand instead of the tongue Fit For： Universal fit for most all types of boats bass boats,pontoon boats, hunting boats ,etc For 3”-3.5” tongues only For bow heights up to 33” (measured from top of tongue to bow) Package: 1×Dual step 1×Extra step 1×Grab handle Mounting hardware (As Picture) .