Ideal for Small Planer Blades, turning tools, carving and general woodworking tools

James Barry 300/600 Grit Diamond Sharpening Stone – Credit Card Size, Dual-Sided, 1.6mm Thick – Precision Honing for Carbide, HSS, Woodworking Tools – ECCFC

Price

Dual-sided 300/600 grit diamond credit card stone with 1.6mm steel core for precise sharpening of HSS, carbide, and woodworking tools.

⭐ James Barry sharpening
✓ Established UK business since 2018
✓ Over 5,000 verified customer reviews
✓ 35,000+ Diamond Bench Stones Sold Worldwide
✓ Trusted by Woodworkers, Carvers & Turners
✓ Fast UK Dispatch from Scotland
✓ Worldwide shipping Available

✅ Dual Grit Surfaces (300 & 600) Perfectly balanced for general-purpose sharpening. 300 grit for re-shaping and 600 grit for honing a sharp, clean edge.

✅ Rigid 1.6mm Thickness Built for performance—this ultra-stable stone won’t flex like cheaper alternatives. Ideal for carbide and HSS tools.

✅ Compact & Professional Precision credit card size (3" x 2") fits in your pocket or tool roll. Great for routers, turning tools, small planer blades, axes, and knives.

✅ Long-Lasting Electroplated Diamond Continuous surface with no holes to snag fine tooling. Designed for superior durability and edge consistency.

✅ 5-Year Guarantee Backed by James Barry Sharpening. Use with our original formula Lapping Fluid to activate your warranty.

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The Ultimate General-Purpose Sharpening Stone
Designed by James Barry Sharpening, this professional-grade credit card stone is perfect for sharpening carbide and HSS tools, small planer blades, router bits, turning tools, carving knives, and more.

With dual-sided diamond surfaces (300 grit and 600 grit), it’s the most popular option in the range—offering both re-shaping and honing power in one compact, ultra-rigid tool.

Built to Last:
Crafted from a 1.6mm solid steel core, this stone provides exceptional rigidity with zero flex—unlike cheaper, plastic-based versions. The continuous electroplated diamond surface avoids snags and ensures smooth, consistent sharpening across all tool types.

Includes:

Dual Grit Diamond Credit Card Stone – 300 & 600 grit
Protective Black Storage Wallet
Dimensions: 85mm x 50mm x 1.6mm

Use with James Barry Original Formula Lapping Fluid to maximize performance and activate your 5-Year Guarantee.

"Great little stone that very quickly will breathe new life into your cutters." – Mr PJ Sibley
"I tried it on two Freud panel raising router bits and it really gives an excellent edge." – Errol

James Barry 300/600 Grit Diamond Sharpening Stone – Credit Card Size, Dual-Sided, 1.6mm Thick – Precision Honing for Carbide, HSS, Woodworking Tools – ECCFC

James Barry 300/600 Grit Diamond Sharpening Stone – Credit Card Size, Dual-Sided, 1.6mm Thick – Precision Honing for Carbide, HSS, Woodworking Tools – ECCFC