Not sure if this video will work or not, but Hardware Hut sells these Knape and Vogt soft close shocks for Doors for around $3 each and they work great. I just wanted to pass this along to everyone. I have the soft close drawer slides from them as well, but I haven't used them yet. I will be sure to post when I do.
Mike, I normally use a 22 inch drawer slide, this is the first time I have used the slides, but I believe the ones for the doors only come in 1 size. I'm not sure if I answered your question or not.
Rick, no problem at all!! You can't beat the price at all and they have an adjustment screw on the back of them just like a storm door to stiffen or loosen.