The lightest and fastest handheld bit grinding machine on the market. 
Benefits when using the  KING PIN 
DP-20 handheld grinding machine:
 Low weight – 1,3 kg.
Adjustable support handle. 
Designed for air or water flush. 
è Low air consumption  – 15 l/s.
- Fuel saving 
Speed — 21 000 o/min
Silenced.
Quick chuck. No tools needed to change the grinding pin.