Mold Stone
Honing Stone
Super Finishing Stone
Internal Grinding Wheel
CT Grinding Wheel
Resinoid Grinding Wheel
Glass Processing Diamond..
Stainless steel processing..
CBN Grinding Wheel
Surface Grinding Wheel
Diamond Square Stones
Normal Square Stones
Dressing Stone
Block Products (Blank)
Skate, Ski Sharpening Stone


Normal Square Stones
Normal square stone of Yeonjisa is passed by the sufficient examination, and developed what the customers' preferred.

▒ Characteristic & Grain size

A, WA, C, GC
Grain size
#120 ~ #2000 (Mirror stone #4000~#6000)
Single grit, Combination grit
Knife & Scissors blade, Wood working tools etc.
Bond type
V : vitrified