I have that exact same fence that came with my Craftsman Contractor's Table saw.
I use it every day, and have had absolutely zero issues with it. It locks down tight (both head and tail lock), moves easily, and is very easy to attach accessories to.
I love mine, with one exception. It stands proud of the table by about 1/8", which makes it difficult to rip thin plywood, acrylics, and metals, but I just quickly attach a wood accessory fence, and off I go.
I can highly recommend this fence, using it every day, in a production environment.
Amantea Fine Woodworks,
Baton Rouge, LA