These hard, sharp, tough, stones are available in various grits.
Grits: 150, 300, and 450
Recognized for the clean, sharp surfaces they produce on tools, dies, blades, molds and almost any other metal piece requiring sharpening or smoothing.
Each measures approximately 2" X 6"
One blue coarse 150 grit block
One red medium 300 grit block
One yellow fine 400 grit block
Grits: 150, 300, and 450
Recognized for the clean, sharp surfaces they produce on tools, dies, blades, molds and almost any other metal piece requiring sharpening or smoothing.
Each measures approximately 2" X 6"
One blue coarse 150 grit block
One red medium 300 grit block
One yellow fine 400 grit block
