Driver socket practicabilityProfessional-grade universal socket wrench,Use range: Fits standard 1/4" to 3/4" metric and 7 to 19mm metric nuts and bolt heads, The square hole size on the back of the universal socket is 3/8 Standard and auto metric application, compact and easy to carry Removable screws, rotatable hooks, disassemble the flat head screw High quality angle extension 105 Made of chrome vanadium steel, high hardness angle drill holder, durable body rust-proof and die-cast with 3 ball bearings for long life Strong Magnet Built in strong magnet for firm hold, Right angle drill bit attachment is easy to use and prevent droppingEasy to use 105 degree angle extension, 360 parallel adjustment Socket wrench Material: Chrome - Vanadium steel, never rust, and hard It is easy to remove a rusty screw, which is also useful for round nuts, and the removed screws are not stuck in the socket Service life: more than 100,000 times 100% Exquisite packaging, top quality and brand new? Wide Application - Suitable for automotive, household maintenance, manufacturing, construction and other industries Perfect Design Extension Screwdriver Angle ExtensionDurable Durable and easy to use Lightweight, fast, connect to standard hex head screwdrivers, impact hole saws and spade bits, which you use when you have hard to reach places, 360 degree adjustable thumb flange It can connect a drill hand and a manual key