Description: 【Material】: This countersink drill bit set is made from steel, ensuring long term performance and reliability. 【Feature】: These drills are designed to be the suitable fit for your needs, providing and accurate drilling every time. 【Convenient Packaging】: The drill set comes with a carrying case for easy storage and transportation, ensuring your tools are always organized and ready for use when you need them. 【Design】: The inclusion of bearings ensures controlled drilling without causing any damage to the wood, preventing unwanted scratches or gouges. 【Versatile Use】: This set includes edge strip punch pliers, making it versatile enough to handle a wide range of tasks in your workshop or construction site. Specification: Material: Steel Size Chart: 22cmx24.8cm/8.66inchx9.76inch 19.7cmx14.8cm/7.76inchx5.83inch Package Includes: 1 Set Countersink Drill Bit Note: Please allow slightly errors due to manual measurement and different monitors.