2011-2020 Toyota Sienna Side Steps running boards

I have a new set of these Snailfly Running Boards Fit for 2011-2020 Toyota Sienna XL30 Side Steps that y dad bought for his van but never installed. still in the box with all hardware and instructions. Below is some information from the manufacture. About this item SPECIFIC FITMENT: Running boards fit for Fit for Toyota Sienna 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 PREMIUM MATERIALS : Made of high quality aluminum alloy, anti-rust and durable. The abs raised textures on the surface offer friction to avoid slipping. EASY INSTALLATION : The side steps come with vehicle-specific brackets that use pre-existing holes on your Tucson to bolt in place. No drilling/cutting. FUNCTION: You'll increase safety and comfort for your family getting on or off the sienna. STRONG CAPACITY: Maximum 350lbs weight capacity, these steps create a safe and easy location for you to plant your feet during the climb up or down.