3-piece quick-change bit holder set: 1/4 inch hex shank; universal 1/4 inch hex shank. Interface with locking mechanism, strong magnet inside, quick attachment, automatic batch head. Suitable for drills, screwdrivers, batch head and other to transfer, extend all types of screwdriver bits and convert screwdriver head; 1 x hex shank: 6.35 mm (1/4 inch); hexagon socket: 6.35 mm (1/4 inch); flexible drill extension can bend and rotate even in confined spaces.Flexible drill is an important tool for maintenance and repairing, including computer housing, furniture, electrical appliances, etc. 2-piece right-angle drill with 105: can be connected to the drill, rechargeable drill or hand wrench, extending the range to inaccessible stenos, twist screws, nuts and more. Handicraft gadget: used for the installation of pneumatic screwdriver, electric screwdriver, pneumatic drill, hand screwdriver and other installation for the hex tool; multifunctional: compact and easy to carry, a perfect tool set Note: These tools are perfect for light drilling, slow speed/screws, such as cordless drills, ratchet hand screwdrivers, etc., not comparable to drivers that are high speed and heavy power drills, although they are good enough for good torque. Colour: black + silver Material: metal Package Contents: 1 x flexible extension rod 1 x 105 degree hex shank screwdriver elbow holder 1 x 105 degree angle tool 3 x 60/100/150mm 1/4inch hex handle 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.