ITEM NAME:240pcs High Strength Alloy Steel M4 Cup Head Hexagon Socket Screw and Nut JNA Descriptio n Specification:.Specification of 240pcs M4 high strength cup head socket screw set. 240pcs M4 Cup Head Hexagon Socket Screw and Nut Set. Model number: cup head inside hexagon. Product list :240pcs cup head hexagon socket screw and nut.
