Hosco Japan H-IDP-156 - Dual grit mini diamond plates

Dual grit mini diamond plates, for honing sharp fret ends and sharpening knives, 150/600 grit
This compact dual grit diamond plate is ideal for honing sharp fret ends or for sharpening tools.
The diamond surface makes for clean, precise and fast filing. The material is very durable and this file will last a very long time. Diamond files work on both strokes, back and forth. It will leave a smoother surface without chattering.

One side is 150 grit, the other side is 600 grit. Size: 30 x 100 mm