Universal Electronic Auto Straight Knife Grinder Sharpener adjustable cutting angle

Features: 1. Both the main shafts have been specially designed and the world-wide precision bearing is used to fit the main shafts which are made of alloy steel heattreated for high -wear resistance , precision .As well as maintaining to the lowest temperature for durability and stability . 2. The motor base and the spindle bushing are adjustable . 3. The motor is well designed with a special and nice appearance .The RPM of the motor varies depending in the size work piece. 4