【Advantage】: Our diamond grinding stones are easy to carry, durable, and do not require water before use. Apart from being used alone, they can be used in conjunction with a sharpener
【Package Contents】:9 pieces diamond sharpening stones and leather strop. diamond stones made of durable diamond material. They respectively are 80+200+400+600+800+1000+1500+2000+3000
【Material】 : Made of diamond, this grinding stone is durable and has high hardness