Features [High-quality material] The nylon screw is made of high-quality nylon material, which has good insulation, non-magnetic, thermal insulation and corrosion resistance. [Tools] M3 nylon nut-male-female anti-drop kit. [Wide Scope of Application] The male-female spacer can be used as an electronic component, suitable for communication, electroplating, office equipment, electronic products and other industries. [Precise connection] High-precision thread, easy to tighten and unscrew, tight connection. [Easy Access] All these are well stored in a plastic box so they can be easily carried and used. Specification: Item Type: Assortment Kit for M3 Screw Nut Spacers Material: nylon Optional color: black, white Wire Diameter: M3 Model Quantity: 180 pieces in total Nylon nut M3 60pcs. Nylon screw M3 x 6mm 60 pieces Male to Female Spacer M3 (6mm + 6mm) 10pcs Male to Female Spacer M3 (8mm + 6mm) 10pcs Male to Female Spacer M3 (10mm + 6mm) 10pcs Male to Female Spacer M3 (12mm + 6mm) 10pcs Male to Female Spacer M3 (15 mm + 6 mm) 10 Pieces Male to Female Spacer M3 (20 mm + 6 mm) 10 Pieces Package List: 60 x nut 60 x screw 10 x M3 male-female spacer M3 (6mm + 6mm) 10 x M3 male-female spacer M3 (8mm + 6mm) 10 x M3 male-female spacer M3 (10mm + 6mm) 4 in + 0 .6mm) 10 x M3 Male-Female Spacer M3 (12mm + 6mm) 10 x M3 Male-Female Spacer M3 (15mm + 6mm) 10 x M3 Male-Female Spacer M3 (20mm+6mm) 0.236 in) Package List 60 x Nut 60 x Screw 10 x M3 Male-Female Standoff M3（6mm+6mm) 10 x M3 Male-Female Standoff M3（8mm+6mm) 10 x M3 Male-Female Standoff M3（10mm+6mm) 10 x M3 Male-Female Standoff M3（12mm+6mm) 10 x M3 Male-Female Standoff M3（15mm+6mm) 10 x M3 Male-Female Standoff M3（20mm+6mm)