65 in 1 industrial steel screwdriver bit, continuous heat Auxiliary high-precise control integrated molding, carbonization heat refining, industrial grade service life, full of toughness Multi bit screwdriver set locking structure of arm is extremely stable, providing excellent and long service life Multifunctional ratcheting wrench and screwdriver set with ergonomic handle provide comfortable grip Includes different kind of screwdriver bit to meet the needs of professional use, home life, work, maintenance Screwdriver set with handle powerful feature adheres small screws to the tool head, suitable for delicate electronics disassembly, Manufacturer: APGLSXY