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Efficient, thorough, and easy to control, the Porter-Cable 390K Low-Profile Random-Orbit Sander has a low center of gravity for the close to the work feel of an air sander with the convenience of a standard electrical plug. Its 3-1/2 amp ENDURATECH brushless motor ensures robust, time-saving performance on a variety of materials, including red oak, pine, and poplar. The sander also features integrated dust collection that keeps your workspace cleaner and healthier.
Remove paint or sand wood to a fine finish with the orbit sander's variable speed range of 7,000 to 12,000 rpm. View larger.
Rubber grip and ergonomic features provide comfort during extended jobs. View larger.
ENDURATECH Motor for Improved Productivity and Durability
The 2008 winner of the WOOD Magazine Top Tool Award, the 390K boasts ENDURATECH brushless motor technology for 70 percent fewer wearable parts, which increases the motor life by up to 10 times when compared to traditional palm-grip sander motors. The result is greatly improved productivity, durability, and control.
Low-Profile Design for Optimum Control
The 390K sets a new standard for palm-grip sanders. Its low-profile design is 30 percent shorter than the competition. This means you'll get optimum control and finish, as well as comfortable handling on the job.
Variable Speed Range for Versatility and Precision
Versatile and powerful, this sander has a variable speed range of 7,000 to 12,000 rpm for optimal removal rate on a variety of materials. Electronic load-control monitors the rpm and maintains a constant operating speed for smooth sanding and over 40 percent faster material removal.
Innovative Brake Designs Save Time and Reduce Free-Spin
Also, the 390K saves you time with its innovative electronic motor brake, which reduces spin-down waiting from close to 10 seconds to approximately 3 seconds.A separate mechanical pad brake reduces free-spin--effectively putting an end to gouging, and a 3/32-inch orbit diameter means this sander can handle a range of materials with ease.
Compact, Ergonomic Design with Integrated Dust Port
The 390K measures 4 by 5 by 12 inches (W x H x D) and weighs just 2.1 pounds, so it's compact and easy to store. Its rubber grip and ergonomic features maintain user comfort, even during extended jobs.
For further convenience, an integrated dust port accepts 1-inch and 1-1/2-inch vacuum hoses for optimal dust collection. This makes your workspace cleaner and healthier and helps maintain good visibility of your workpiece.
The 390K is backed by a three-year warranty.
What's in the Box
Random-orbit sander kit including a cloth dust cover, 5-inch hook-and-loop pad with eight-hole pattern, rugged storage case, and user manual.
I have owned this for three years.it has worked great for me. It gets into tight places. Where clearance is a proublem.it sands very well with little vibration.Published 16 days ago by richard molenda
This sander is fantastic! I am an amateur furniture re-finisher and this is so easy to use. Slap the sandpaper circle on and go! Read morePublished 4 months ago by iloveasunnyday
I am a professional woodworker, I use this sander everyday and we have never had a problem. we have worn out other brands and this one just keeps going, I have no idea why it is no... Read morePublished 6 months ago by james capodanno
This is a high quality tool. I have used it a lot, mostly with the dust collection bag; which is very effective. The hook and loop surface is faultless.Published 9 months ago by Neil Blanchard
It's just OK. It is just OK and no better than the regular Orbit sander and that one is less than half the price. Read morePublished 11 months ago by lpm