Can't tell you a brand, there are so many from generics, to high end brands, to cheap chinesium.
Just make sure you can configure it to your mounting space.
Here is mine on my Starcraft. A bit of unconventional mounting, but it works and swings down without hitting the transducer.
Make sure the bottom rung extends low enough so you can actually get your foot up onto it when you are down in the water. Mine extends about 40" below the water surface.
