Uxcell a13021800ux0065 14mm x 25mm Double Cut Cylindrical Tungsten Carbide Rotary File Bit Head Size: 14 x 25 mm / 5/9" x 1" (D*L); Shank Size: 6mm / 0.24" (Diameter) Product Name: Rotary File; Main Material: Tungsten Carbide Weight: 60g; Package Content: 1 x Rotary File Head Shape: Cylinder; Main Color: Gray, Silver Tone Total Length: 65mm / 2.5"; Variation Theme: Style