[Versatile Sanding Heads]:Equipped with 8 premium nylon sanding heads,this electric sanding pen includes both flat and rounded shapes to accommodate various sanding needs.The premium sandpapers ensure effective stock removal,and each sanding head is clearly marked for easy identification [Intelligent Overload ]:Featuring an advanced IC chip,the reciprocating sander is safeguarded against overloading.It automatically shuts off when excessive pressure is detected,protecting the motor and extending the using time of your device [Efficient Battery Performance]:With a quick charging time of approximately 20 minutes,this electric sanding pen offers up to 100 minutes of for operation on a full under no load conditions.The real time battery level display keeps you informed about remaining power. And it is with 3 adjustable levels for 2800,3100,3600 times per minute to meet your different needs [Material Composition]:Made from quality Nylon ABS POM materials.The sanding pen is with for dimensions of 19 cm/7.48 inch,comfortable gripping for convenient using [Comprehensive Kit Includes]:This set includes the main body of the electric sanding pen,8 sanding heads,1 power cable,and 1 storage box.Additionally,it comes with adhesive backed sandpapers in grits #180/280/400/600/800/1000 for both flat (97 pieces each) and curved surfaces (47 pieces each),providing everything you need for model polishing tasks