Specification Brand : Acouto BulletPoint1 : Pneumatic Tools Kit Grinding High - speed rotation can adapt to high - speed machining BulletPoint2 : Carving and engraving tool Small size and light weight , the pen design make it easy to use with hand BulletPoint3 : Grinding and polishing tool Excellent internal design , coreless vibration and can work for a - term BulletPoint4 : Multifunctional Pneumatic Tools designed grinder , and BulletPoint5 : 19 - piece pneumatic tool kit Easy to use , convenient to load and unload IncludedComponents : No ItemName : Acouto 19Pcs Angle Die Grinder Pen Polishing Engraving Tool Pneumatic Grinding Machine 58000rpm Engraving Pen Set Professional Pneumatic Grinding Kit ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 33 centimeters ItemPackageDimensions_Width : 20 centimeters ItemTypeKeyword : power-die-grinders Manufacturer : Acouto ModelName : Acoutoi02hfmqwe1 ModelNumber : Acoutoi02hfmqwe1 NumberOfBoxes : 1 PartNumber : Acoutoi02hfmqwe1 PowerSourceType : ac/dc ProductDescription : Features : 1 . Small size and light weight , the pen design make it easy to use with hand 2 . designed grinder , safe 3 . High - speed rotation can adapt to high - speed machining 4 . Excellent internal design , coreless vibration and can work for a - term 5 . Easy to use , convenient to load and unload 6 . Suitable for grinding of various metals , chamfering , grinding , engraving , internal processing of various metals , cutting , grinding , grinding of plastics , stone , wood , etc . , grinding of various welding surfaces , other complicated surfaces , inner , gears , chamfering , etc .