Disc Mount Facing Tool DT-1.2. - Model Name: DT-1.2 - Brand: ParkTool - Included: Instruction manual - Application: Disc mount facing tool Thank you for viewing. This is the Park Tool disc mount facing tool DT-1.2. It can cut facing on compatible forks, frame ends, and BBs. Although it's a discontinued model, it's practically new, having only been used once to surface a BB. It's simple and easy to use for facing, so how about getting one?