KAINDL  

It is a drill grinding-polishing accessory set.  The innovation directs from German to Thailand.  It is greatly versatile and compatible with all ordinary drills as well as all brands, no matter which brand and model you are using.  This accessory set is designed to outstandingly fulfill capable of the ordinary drill.  

Comparatively speaking, the drill grinding-polishing accessory set can make the hard surface shaper, smoother and so on, whereas the ordinary one can only make a hole. 

Furthermore, it is superbly applicable to repairs and maintenance of a residence and a building including an industrial factory.