Atoplee 5pcs Carbon Steel Wood Carving File Rasp 1/4 inch Shank Die Grinders Power Drill Bits Material: 45#steel ;Item color: black Length: 50~60mm Shank: 6.35mm(1/4")round shank 5 Shapes: Ball,Oval,Cylinder , Large Cone,Small Cone Package Included: 5pcs Wood Carving File Rasp Power Drill Bits