100% brand new and high quality For drilling machines with collets or joints, suitable for drilling in hard wood and wood layers. Application: Good performance, convenient and practical, suitable for home and professional use. Lightweight Size: Portable and small size, easy to store and carry, bring you convenience. Package Includes: 5Pcs/set Conical Drill Countersunk Drill Hex Shank. Function: The screw holes and the countersunk holes for the screw caps can be drilled at the same time and keep the two on the same axis. After the screws are screwed on, the screw caps are located below the plane of the board Material: High Speed Steel Color: As the Picture Shows Net Weight: 86g/0.19lbs Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 5Pcs/set Conical Drill Countersunk Drill Hex Shank