Specification Brand JIMI Name S2 Magnetic Precision Screwdrivers Set Model GNT-72 Name Size Material Outer box 6.3X 6.3 X 18.3cm aluminum alloy Inner shell 3.0X 6.0X 17.0cm ABS Opening pick 4.0X3.6X0.1cm PP Mini knife holder φ0.9cmX 9.2cm aluminum alloy Middle tool bar φ11cmX 11.5cm aluminum alloy Bit (4mm) 4 (opposite side) X 45mm S2 material/CRV Bit (6.35mm) 6.35 (opposite side) X 45mm S2 Screwdriver handle 2.3cmX 2cmX 7cm soft rubber + metal Magnetic screw positioning plate 16.4X6.0X0.2cm rubber + magnet powder Features:● Unique double layers press design. Separate compressions different layers to on and off● 72pcs repair tools, meet different usage needs● The interior is exquisitely constructed fix the tool in one piece● High precision integrated molding process. Rounded curved edge for comfortable grip. Surface sandblasting anodic treatment for sweat and corrosion protection● 58pcs high precision batch heads, 4mm/6.35mm two types of batch heads, which meet different use scenarios and 17 batches, meet various requirements● Press the button to unlock, layers can be spread out by hands. Convenient to pick● Magnetic screw positioning plate.