QianLi iWhale Special S2 Steel Magnetic Torque 3D Screwdriver, Model:D Pinhead Phillips 0.351. Self developed suspending torque sleeve, when the torque reaches 0. 35kgf cm, the screwdriver will auto idle to avoid slipping by overforce, not damaging the screw 2. 0. 35 kgf cm Special adjusted torque, special torque value optimization for installing the original screw 3. Refuse to judge by hand feeling, twisting the screw will not damage the phone 4. 5 models are available to meet 90%needs of the mobile phone tiny screws market 5. Eye catchy