Detail 2 Set of Accessories: 1 Set of HSS 1/4 Inch Hex Shank Brad Point Twist Drill Bit Set and 1 Set of Electric Drill for Socket Screwdriver2 Set of Accessories: 1 Set of Brad Point Twist Drill Bit and 1 Set of DriverThe special design of Brad Point quickly penetrates surfaces. Commonly used for drilling holes when installing hubs, mailboxes and electrical work. The innovative flute design removes material faster to make drilling easier. Ideal for all woodworking. Fits snugly and securely into a drill chuck or handheld driver. It provides versatility and convenience no matter which tool you have chosen. Great for DIY, household maintenance and most general repairs, not for industrial work. Designed to provide a securely locked extension to your existing tool. The spring-loaded ball lock provides a tight fit to the driver head to prevent slipping during use. Specially machined to fit securely in a handheld controller, drill or impact wrench. Used in the installation of pneumatic screwdriver, electric screwdriver, air drill, manual screwdriver and other installation for hexagonal tool. It is a good addition to conversion. Easy to choose: Supports the toughest tasksBrad point twist drill:Size: 4mm, 5mm, 6mm, 8mm, 10mmList of drivers, programs, various tools:Hex shaft saves time by changing from electric drillSaves time compared with traditional manual nutsAll sockets standard 1/4 inch hex chuckSize: 12.7mm,9.53mm,6.35mm Material: Carbon steel and 40CRColor: Black+Silver & Blue+Red+YellowPackage Content:1*4mm Twist Drill Bit 1*5mm Spiral Drill 1*6mm1*8mm Twist Drill 1*10mm3*DriverOnly the above package content, other products are not included. 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 error is +/- 1-3cm.