Features:_x005F_x000D_ _x005F_x000D_ Made of alloy steel material, good corrosion resistance and never rust, durable to use. _x005F_x000D_ Equipped with a plastic box, you can classify screws in an organized manner, more convenient to carry and take out. _x005F_x000D_ Use this fastener with the hex wrench, hold the mechanical parts firmly in place. _x005F_x000D_ Different sizes for general purpose use, meet all your need. _x005F_x000D_ Used widely in the home and office appliance, furniture and other machinery industry. _x005F_x000D_ _x005F_x000D_ Specification:_x005F_x000D_ Condition: 100% Brand New_x005F_x000D_ Material: Alloy Steel_x005F_x000D_ Standard type: German standard_x005F_x000D_ Standard number: 10.9-7991-03_x005F_x000D_ Screw type: M3/M4/M5_x005F_x000D_ Color: Black_x005F_x000D_ Box size: Approx. 17.5 x 10 x 2.3cm / 6.8 x 3.9 x 0.9inch_x005F_x000D_ Weight: 510g_x005F_x000D_ _x005F_x000D_ Package Included:_x005F_x000D_ 20PCS x M3 x 8 _x005F_x000D_ 20PCS x M3 x 12 _x005F_x000D_ 20PCS x M3 x 16 _x005F_x000D_ 20PCS x M3 x 20 _x005F_x000D_ 80PCS x M3 Nuts _x005F_x000D_ 20PCS x M4 x 8 _x005F_x000D_ 20PCS x M4 x 12 _x005F_x000D_ 20PCS x M4 x 16 _x005F_x000D_ 20PCS x M4 x 20 _x005F_x000D_ 80PCS x M4 Nuts _x005F_x000D_ 15PCS x M5 x 8 _x005F_x000D_ 15PCS x M5 x 12 _x005F_x000D_ 15PCS x M5 x 16 _x005F_x000D_ 15PCS x M5 x 20 _x005F_x000D_ 60PCS x M5 Nuts _x005F_x000D_ _x005F_x000D_ Note:_x005F_x000D_ Please allow slight deviation for the color and measurement. Thanks for your understanding.