The electric hand sharpener CHAIN Sharp HHG is excellently suitable for machine sharpening of saw chains. The chain saw sharpener from PFERD can be operated with a standard 12-volt car battery. It is easy to use and produces uniform sharpness results thanks to the angle specifications of 25°, 30° and 35°.Application refrence:- Adjust the height of the sharpening pin.- Move the sharpener over the length of the grinding pin in an oscillating way. Sharp direction away from the body.- Make sure that the guide plate rests on the appropriate tooth roof.- Do not sharpen above the wear limit of the saw teeth.Safety Instructions:- CHAIN Sharp HHG 12 V is designed exclusively for use as chain saw sharpener.Check tools before use. The tool must be properly installed and be able to rotate freely. Perform a test run for at least 30 seconds without load. Do not use damaged, round or vibrating tools!- Always ensure that the guide plate is securely attached to the sharpener before use.- Use only 12 V