The STARTUL Standart abrasive sharpening stone (ST5010) in a boat (concave) shape is designed for sharpening and honing the cutting edges of knives, chisels, and other tools. Its dual-sided, waterproof design with FEPA 180 grit makes it a versatile and practical solution for workshop and kitchen maintenance.

Key Features:

• Dual-Sided Boat Shape: The unique concave profile provides stability and multiple sharpening angles for various blade sizes and types.

• Waterproof & Durable: Can be used with water or oil for lubrication, extending the stone's life and preventing clogging.

• Versatile Material Compatibility: Suitable for sharpening tools made from carbon steel, stainless steel, aluminum, and non-ferrous metals.