The Grindomatic automatically switches from left to right cutter during the sharpening sequence. It will auto Feed and sharpen the chain until it stocks via the manual installed stop. 
Can be powered off a12v battery or simple power supply (120v to 12v) in the shop. 
Full Demo available at our pro shop! Easy to use! 
DOES NOT SHARPEN SKIP CHAIN
Automatic grinder.
 
Manual gauge lowering calibration.
 
Two speed with mechanical auto-stop and easy-to-adjust grinding angle from 0° to 35°.
 
It sharpens all regular sequence chain from1/4” to .404”. This will not sharpen skip chain. 
 
https://www.youtube.com/watch?v=lw3eI0ktDlc&t=10s
 
 
Tecomec is the world's largest manufacturer of professional chainsaw saw chain grinders!
 
Tecomec is an Italian company established in 1985 and is located in the Reggio Emilla region, this area is renowned worldwide for its top in quality technology. Tecomec is a company of the Emak Group which, in turn, belongs to the Yama Group with over 30 companies affiliates and represents the biggest Italian group engaged in the design, production and sales of farming, gardening and forestry applications.