170pcs M4 Steel Hex Socket Head Cap Screw Assortment Set 6mm To 25mm Length <br>Description:Type:hex socket cap screwModel:M4Material:carbon steelColor:blackSize:M2X6mm\/M2X8mm\/M2X12mm\/M2X16mm\/M2X20mm\/M2X25mm<br>Feature:M4 hex socket cap screwMade from carbon steel with high strengthInternal hex socket syle， easy to useAssortment set stored in plastic boxFit for DIY electronics fixing or other usage<br>Package included:30X M2X6mm Hex Socket Cap Screw30X M2X8mm Hex Socket Cap Screw30X M2X12mm Hex Socket Cap Screw30X M2X16mm Hex Socket Cap Screw30X M2X20mm Hex Socket Cap Screw20X M2X25mm Hex Socket Cap Screw