CP7268 Chicago Pneumatic In-Line Sander The CP7268 Chicago Pneumatic In-Line Sander is designed for in-line sanding. This sander features a heavy-duty dual piston straight line sander with a twin piston rugged design and an easy comfort trigger/handle. The CP7268 Chicago Pneumatic In-Line Sander gives extreme operator comfort and a safe operation while in use on the job. This in-line sander is the ideal tool fir fast material removal, body smoothing and for large surfaces.