Sharpal Credit Card Size Diamond Sharpening Stone Extra-Fine 1200 grit 115N recenzia

Compact diamond grinding stone Sharpal 115N Credit Card Size Diamond Sharpening Stone 1200 grit fits in your pocket like a credit card. With a patented ring that protects the hand from injury while sharpening tools. The stone has a mirror-polished surface treatment on the back for emergency signaling. It can be used dry or with water. No oil is needed. With an extra fine grain size of 1200 grit (9 microns). With a single crystal diamond surface. Comes with a storage case.