Drill & Screwdriver Bits features:Do you want some screwdrivers bit extension kit? Our premium drill bit extension socket, extension bars and flexible shaft kits will meet your needs very well. With good process details and reasonable design, professional and practical, high hardness, it can easily improve your work efficiency. FeaturesColor: As ShownMaterial:Stainless Steel + PlasticSize:15.00X1.40X1.40cm/5.89X0.55X0.55inchMade of sturdy stainless steel material, durable and suitable for long-term useSimple structure, universal interface, professional and practical, can bring you more convenienceThis flexible shaft can be used for general formula hand drill chuck, it can also be used for electric screwdriverFlexible shaft, durable to use. It can be bent, twisted and rotated at many different anglesMainly used in computer chassis, electrical cabinets, furniture, electrical appliances and other narrow space screwdrivers can not work in an environment operations.