Hexagon column: these spacing ranges are made of copper for a and, Column; Brass column: made of brass, it is of high hardness and good durability no deformation under great pressure, Nut Screws Assorted Kit; Copper column for pcb motherboard: made of brass, resist rust, practical, and convenient for using, Brass; Copper column: knurled surface makes nuts embed installed object tightly and stably, Nut Screws Assorted Kit; Copper: this set includes female, male standoffs in various sizes, screws and nuts, Nut Screws Assorted Kit

What's in the box
1 x 180pcs Male-Female Brass Standoff Nut Screws Kit Socket Nuts Easy Install