- Precision Japanese fret slotting saw set (4 pcs) for professional luthier work - Blade widths: 0.50 mm / 0.53 mm / 0.57 mm / 0.60 mm for multiple fret tang sizes - 120 mm reinforced steel blades with stabilizing rib for straight, accurate cuts - High-quality Japanese manufacturing for durability and long-lasting sharpness - Uniform ergonomic wooden handles with consistent balance and professional finish