Includes 4 different tools most useful, used in the installation of pneumatic screwdriver, electric screwdriver, pneumatic drill, manual screwdriver and other installation for the hexagonal tool   105 degree angle extension that you can use in hard to reach places. Large tools for wrench and can be connected to the drill. The 1/4 inch hex drive shaft is quick-change and suitable for most power drills and pilot chucks.   The 3-piece hexagonal screwdriver extension bar set is designed to meet a variety of needs. Fits perfectly and securely in your chuck or hand screwdriver. Consisting of your most common 1/4 inch, 3/8 inch and 1/2 inch drill sizes, changing the size of the shanks. Offers versatility and convenience no matter what tool you choose to use.   1/4 inch hex shank bit shank, netic extension chuck adapter, length 60 mm / 100 mm / 150 mm, suitable for electric, pneumatic and other screwdriver bits for power tools, extended drill bit. Connect the impact sockets / socket wrenches / bit sockets / conductor sockets to the wireless power supply.   Flexible drill extension - Length: 29 cm / 11.42 inch (approx.); Hexagonal shank: 6.35 mm (1/4 inch); Inner hex head: 6.35 mm (1/4 inch); Features: for electronic drill, connection link, flexible   IMPORTANT Notes:   What you need to consider is the choice of an electric drill with which the torque can be adjusted.   It can guarantee that the flexible bit holder works better with the drill and never daes the bit holder.   When using the rotary drill, do not keep the torque too high.   Color: Black + silver   Material: cemented carbide   Package contents:   1 * 105 degree angle extension electric drill adapter   1 * flexible rod (length 28cm)   3 * connecting rod   3 * extension rods   Only 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 allowed error is +/- 1-3cm.