ITEM NAME:5pcs 15 Degree 0.1mm Tungsten steel PCB Engraving CNC Bit Router Tool A1F3 5pcs 15 Degree 0.1mm Tungsten steel PCB Engraving CNC Bit Router Tool A1F3 Material:Tungsten steel Sharp edge cutting with a smooth, no burr burr High precision grinding technology, wear resistance, long service life Unique design, the head of the cutter is more smooth. Mirror surface grinding technology, smooth surface, high precision Specifications: Color:silver,golden Shape: V-shape Degree: 15 degree Shank diameter: 3.175mm Cutting edge diameter: 0.1 mm Total length: 32mm Package include:5 x 15 degree carving knife Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Sharp edge cutting with a smooth, no burr burr. Material:Tungsten steel. Unique design, the head of the cutter is more smooth. Degree: 15 degree. Mirror surface grinding technology, smooth surface, high precision.