Trust those special projects to DMT Diamond Honing Cones. The tapered diamond slip stones are excellent for working gouges, wood turning, tool and die work, dental tools and more. Kit of 3 comes in a beautiful hardwood storage case. All sizes in Fine diamond (25 mic/600 mesh) for a razor sharp edge. Sizes: Small 1/8 in. to 3/8 in. Dia x 4 in. cone with 4 in. handle, Medium 3/8 in. to 3/4 in. Dia x 6 in. half-round cone and Large 3/4 in. to 1-1/4 in. Dia x 8 in. half-round cone. Sharpening with diamonds is fast and easy. No messy oils needed sharpen dry or with water. Durable construction will provide years of consistent performance and reliable service. For proper tool maintenance, woodworkers, chefs and other professionals rely on the superior quality and versatility of DMT products.