Tanaka Toishi Umajiyama Natural Stone Type 100 #2

Clean Umajiayama from Tanaka Toishi, little bit finer but also harder than the others, good for tools and knives, no inconsistencies of toxic lines. 

Detailed Spec

Brand: Tanaka Toishi 田中砥石工業所
Product Type: Natural Stone
Size: Type 100

Weight: 547gr 
Mine: Umaji
Producing Area: Kyoto/ Japan
Hardness (5 = Very Hard) : 3+
Grain Scale (5 = Very Fine) : 4
Sharpening Speed (5 = Very Fast) : 3