These are all-steel with a short 65 mm extension. These are heavy, but if you want your handlebars really high, this is what you need.
This stem is "Dept. store" quality. It's the only stem available in this design.
Forward Exension (reach) 2 1/2" (65 mm)
Quill Length: 10"
Clamp fits ISO standard 1" (25.4 mm) handlebar center.