Trend 3-Inch Double-Sided Diamond Sharpening Stone, 300 & 600 Grit, Credit Card Sized Honing Stone with Storage Wallet, DWS/CC/FC
Highlights: Grade: Fine & Coarse Size: 3" x 2" x 1/32" Plate thickness 1.6mm for extra stability Grit sizes clearly marked on each surface Double sided fine/coarse credit card sized diamond stone Ideal for fluted, small and shaped router bits, woodturning and carving tools Supplied in a plastic wallet