Features Made of durable eco-friendly PA66 nylon, which provides stable and durable performance of acid resistance, alkali resistance, insulation and anti-signal interference With smooth surface, clean and clear wire, look very beautiful, very practical and practical to use Four different sets are available to meet your construction needs, including various male or female spacers, nuts and bolts Ideal for mounting between PCBs and machine boards, it is great for creating heat channels between chips or creating multi-storey "nerd" arrangements of homemade PCBs If used correctly, it will not slip easily Specification: Material: Nylon PA66 Thread Type: M2, M3 Color Black Pack A BC D spacer male-female M3*6+6mm 25pcs M2*5+3mm 25pcs M3*8+6mm 25pcs M2*6+3mm 25pcs M3*10+6mm 25pcs M2*8+3mm 25pcs M3*12+6mm 25pcs M2*10+3mm 25pcs M3*15+6mm 25pcs M2*12+3mm 25pcs M3*20+6mm 25pcs M2*15+3mm 25pcs Woman/Women Control M3*6mm 25pcs M2*5mm 25pcs M3*8mm 25pcs M2*6mm 25pcs M3*10mm 25pcs M2*8mm 25pcs M3*12mm 25pcs M2*10mm 25pcs M3*15mm 25pcs M2*12mm 25pcs M3*20mm 25pcs M2*15mm 25pcs Screws M3*6mm 50pcs M2*5mm 50pcs M2*5mm 100pcs M3 Walnut 50pcs M3*6mm 100pcs M2 50pcs Total250pcs250pcs250pcs250pcs Box Size: A: 17.50 x 10.00 x 2.30cm/6.89" x 3.94" x 0.91" B: 18.00 x 10.00 x 2.50cm/7.09" x 3.94" x 0.98" C: 13.00 x 7.00 x 2.50 cm/5.12" x 2.76" x 0.98" D: 13.00 x 7.00 x 2.50cm/5.12" x 2.76" x 0.98" (Optional) Package weight: approx. 46-101g Quantity: 250pcs/box Box contents: 1 box of 250 spacers. M3*6mm 100pcs Package List