Treedix 532pcs Screw and Copper Pillar Kit M4 M3 M2.5 M2 Brass Set Screws PCB Motherboard Assortment Kit Compatible with Raspberry pi and Arduino

This is a box of copper post screws, including screws, copper posts, nuts, gaskets Free combination: the length of the copper column can be freely extended, which is suitable for different scene requirements 24 Cells: The box is set with 24 cells, and the spacing of the cells is not removable. Each cell corresponds to a specification model, which is convenient to use M4/M3/M2.5/M2 meets a variety of structural requirements: M4 specifications are applied to couplings and wheels; M3 is used for car body installation; M2.5 specification for motherboard installation; The M2 specification is used for camera fixation Application: Suitable for development board metal shell, robot arm, development board acrylic shell, intelligent car