Product name:Brass M2 M3 M4 threaded standoff,Stainless Steel nut and screw kit <br> <b> M2 total 120 Pcs. Come with the plastic box: </b> <br> M2 brass male-female standoff(5mm + 3mm) 10pcs <br> M2 brass male-female standoff(10mm +3mm) 10pcs <br> M2 brass male-female standoff(15mm + 3mm) 10pcs <br> M2 brass male-female standoff(20mm + 3mm) 10pcs <br> M2 brass female-female standoff(5mm) 10pcs <br> M2 brass female-female standoff(10mm) 10pcs <br> M2 brass female-female standoff(15mm) 10pcs <br> M2 brass female-female standoff(20mm) 10pcs <br> M2 stainless steel screws (M2 x 5mm) 20pcs <br> M2 stainless steel nuts 20pcs <br> <b> M3 total 120 Pcs. Come with the plastic box: </b> <br> M3 brass male-female standoff(5mm + 6mm) 10pcs <br> M3 brass male-female standoff(10mm + 6mm) 10pcs <br>M3 brass male-female standoff(15mm + 6mm) 10pcs <br> M3 brass male-female standoff(20mm + 6mm) 10pcs <br> M3 brass female-female standoff(5mm) 10pcs <br> M3 brass female-female standoff(10mm) 10pcs <br> M3 brass female-female standoff(15mm) 10pcs <br> M3 brass female-female standoff(20mm) 10pcs <br> M3 stainless steel screws (M3 x 6mm) 20pcs <br> M3 stainless steel nuts 20pcs <br> <b> M4 total 120 Pcs. Come with the plastic box: </b> <br> M4 brass male-female standoff(5mm + 6mm) 10pcs <br> M4 brass male-female standoff(10mm + 6mm) 10pcs <br>M4 brass male-female standoff(15mm + 6mm) 10pcs <br> M4 brass male-female standoff(20mm + 6mm) 10pcs <br> M4 brass female-female standoff(6mm) 10pcs <br> M4 brass female-female standoff(10mm) 10pcs <br> M4 brass female-female standoff(15mm) 10pcs <br> M4 brass female-female standoff(20mm) 10pcs <br> M4 stainless steel screws (M4 x 8mm) 20pcs <br> M4 stainless steel nuts 20Pcs