Description: 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 identificationIntelligent Overload Protection: 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 deviceEfficient Battery Performance: With a quick charging time of approximately 20 minutes, this electric sanding pen offers up to 100 minutes of 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 needsMaterial Composition: Made from quality Nylon ABS POM materials. The sanding pen is with dimensions of 19 cm/7.48 inch, comfortable gripping for convenient usingComprehensive 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 Specification: Material: Nylon ABS POM Size Chart: 19 cm/7.48 inch Package Includes: 1 Electric Sanding Pen Main Body 8 Sanding Heads1 Power Cable1 Storage Box97pcs Each #180/280/400/600/800/1000 Flat Adhesive Backed Sandpapers47pcs Each #180/280/400/600/800/1000 Curved Adhesive Backed Sandpapers Note: Please allow slightly errors 1-2cm differences due to manual measurement.