Thread size M1, M1.2, M1.4, M1.6, M1.7. The box design is nice and easy to take right screw out. Fastener Size M1.4 x 3mm. ????【Material】: High quality Nickel-plated carbon steel screws, corrosion resistance, high forms of corrosion resistant, tough-fastening, abrasive resistance and low temperature resistance.
