Can be used in the installation of screwdriver, electric screwdriver, manual screwdriver and other installation for the hexagonal tool These tool work great for light drilling, slow speed / screw driving, like drill, ratcheting hand screwdriver Rotatable socket adapter allows access to a narrower workplace to significantly improve the The 90 degree angled drill bit have the characters of strong strength, hardness, which can be connection with electric drill, rechargeable electric drill and manual wrench These driver socket adapter is selected from, and have strength and wear resistance, which is strong, stable, and not easy to break so that you can keep for long time, Manufacturer: ERRORY