4 sided diamond sharpening block

• Versatile sharpening block with four different grades of diamond for honing and sharpening blades of all types
• Can be used wet or dry
• Each side approx 150 x 50mm
• Grades: red side (fine), green side (medium), yellow side (coarse), grey side (extra course)
• Holding base has non-slip rubberised feet at either end for ease of use