🔩【Type】: Metric system M4 Phillips Round Head Self Tapping Screws（Mushroom Head Wood Screws).
🔩【Material】: Made of carbon steel. Black oxide finish Anti-corrosion and durable.
🔩【Set Includes】: 125-pieces of different sizes and specifications of M4 x 8/12/16/20/30mm screws meet different people's demands.
🔩【Wide Use】: M4 Screw assortment Kit Serves a wide range of use for professionals, amateurs, landlords, repairmen, and other DIY.
🔩【Portable & Storage】:All of the screws will be packed in a sturdy convenient case.