✿The flexible extension shaft is an ideal assistant for screwdrivers and is suitable for use in narrow areas that are not accessible to ordinary screwdrivers. ✿The extension bar's functional head has a lock and magnetics to ensure that the sleeve does not fall. ✿The universal 1/2” extension bar flexible elbow joint head is made of high quality materials and has a long service life. ✿The bendable elastic joint head post can be flexibly rotated in different directions. ✿This product is mainly used in the operation of small cabinets such as computer cabinets, electrical cabinets, furniture and electrical appliances., Weight: 0.220462262 pounds, Manufacturer: Hyuduo