Porter-Cable 7800 Long Reach Drywall Sander works in a speed range of 1400 rpm to 2000 rpm that is well suited for most sanding operations. The foam-backed abrasive sanding pads hardly leave any swirl marks behind and ensure excellent results. is an efficient tool used to complete drywall sanding jobs in record time. The sander The Porter-Cable 7800 Drywall Sander is a major time saver as it gets the task of drywall sanding done about 3 to 4 times quicker than traditional hand sanding methods. Most sanding jobs leave behind a trail of dust that makes cleaning up very cumbersome. However, this power tool has a Static-dissipating 1 1/4 vacuum hose to collect even fine dust. The vacuum hose is 13 feet in length and you can cover a considerable area. Porter-Cable 7800 is lightweight weighing only 8 lbs. to reduce fatigue during long hours of use.