FUNCTION: For grinding fruit knife, banana knife, surviving knife, climbing knife, chopper, beef steak knife, and vai-roustwo-side razor blades.It only takes one time to finish grinding.

• 功能:可研磨水果刀、香蕉刀、求生刀、登山刀、菜刀、牛排刀、和各类刀片之两面一次研磨完成。