Sharpener Flowing Water Cooling Universal Knife Sharpener Polishing Fully Automatic Small Electric Water Abrasive Belt Machine

Product Name: Seven-speed speed regulation

Belt size: 330*30mm
Speed regulation mode: seven gear speed regulation by power supply
Rated power: 250W
Product speed: 5000-10000r/min
Positive and negative adjustment: yes
Digital display screen: no
Motor voltage: 12-24V
Product net weight: 1.25kg

Product name: Stepless speed regulation digital display

Belt size: 330*30mm
Speed regulation mode: body stepless speed regulation
Rated power: 350W
Product speed: 0-13000r/min
Positive and negative adjustment: yes
Digital display screen: yes
Motor voltage: 12-24V
Product net weight: 1.25kg