Mechanic CORN 4-in-1 Screwdriver Set for Mobile Phone Repair

• Small steel gun, noise reduction bearing: special bit! Magnesium silicon alloy 1 powerful magnet, new flagship quality screwdriver-small steel gun
• Four kinds of “, tough guy threads, special for special models, each of the appearance is deduced from maintenance technicians, tough guys, steel”, full of vigor
• Noise reduction, bearing, after 10,000+ times of testing, strictly control the quality, the bearing is not stuck, the duration of one rotation is up to 1 minute
• Magnesium-silicon alloy material, material hardness and wear resistance are 300% higher than ordinary materials
• Three-dimensional screw head, 99% anastomosis, easy removal of various precision models of screws