ITEM NAME:10pcs 15 Degree 0.1mm Tungsten Steel V-Shape PCB Engraving Bit CNC Router Tools 10pcs High Quality Tungsten Steel V-Shape 15 Degree 0.1mm PCB Engraving Bit CNC Router Tool SPECIFICATIONS.(4) High precision grinding technology, sharp edge cutting with a smooth, no burr. Material: Tungsten Steel. Angle: 15 degree. 1) 100% new and high quality. 2) Color may vary slightly due to the color setting of each individual monitor.