• Optimized cutting performance: equipped with a negative forefoot and a large core diameter, this diamond sharpener set allows for resistance, sharpness, and cutting stability. • Innovative design for crank sharpeners: thanks to its advanced formula, these sharpeners offer precise and consistent results. • Durable toughness: made with high-quality Emery, this set offers great hardness and exceptional resistance to wear and corrosion. • Great adaptability and versatility: the set contains 12 pieces in different sizes (4 mm, 4.8 mm, 5.5 mm). • Efficient chip management: the wide grooves of the diamond chainsaw sharpener set ensure excellent and uniform chip evacuation. • Color: silver. • Material: metal. • Package content: 1 chainsaw sharpening stone set.