[DiamondCore Tools P11 Pottery Carving Tool]: 12 mm curved wide V-tip blade perfect for carving precise, wide, V-shaped grooves and wide sgraffito linework. 5.5 inch long hardwood pencil-type handle. [DiamondCore Tools P19 Pottery Carving Tool]: 3 mm square-tip for shallow, controlled sgraffito carving with clean, square edges. 5.5 inch long pencil-type hardwood handle. [DiamondCore Tools FP1 Pottery Carving Tool]: Ultra-fine 1 mm U-tip x 1 mm-wide straight blade for micro detailing, underglaze carving, and tight spot navigation. 5.5 inch long pencil-type hardwood handle. [DiamondCore Tools X2 Pottery Fluting Tool]: 12 mm U-tip fluting blade for smooth, U-shaped grooves and clean edges with clean convex walls. 5.5 inch long pencil-type hardwood handle. [DiamondCore Tools, Premium Pottery Carving Tools, Made in the USA]: The gold standard for ceramic artists worldwide. No sharpening needed. Replacement blades sold separately. Proudly made in the USA. Explore advanced ceramic design with the DiamondCore Tools 4-Pack Set of P11, P19, FP1, and X2. This bundle blends wide-groove carving, micro-detail precision, and smooth fluting with stainless-steel blades that never dull. Perfect for intricate sgraffito, trimming, and textured pottery projects on leather-hard or bone-dry clay.