We have a 2018 3731FL and while I at first thought it was a great idea it was not long before I realized maybe not. The concept is OK however the hardware Keystone utilized was not adequate for the job. The problem was the threads in the nut kept striping out which allowed the nut to come loose. Having replaced the hardware four times in three years, we replaced ours this last weekend with hinges in about 1.5 hours. Wife is happy so I very happy.
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