Features Made of durable, environmentally friendly nylon PA66, which has the stable and long-lasting performance of acid resistance, alkali resistance, insulation and anti-signal interference With smooth surface, clean and clear thread, they look very beautiful, are very practical and practical to use Four different sets are available for your building needs, including different male or female spacers, nuts and bolts Ideal for mounting between PCBs and machine boards, great for creating heat channels between chips or creating multi-level "nerd" arrangements of homemade circuit boards When used properly, they do not slip easily Specification:Material:PA66 NylonThread Type:M2,M3Color:Black Package A BC D-male socket spacer M3 x 6 + 6 mm 25 pieces. M2*5+3mm25pcs M3*8+6mm 25pcs M2*6+3mm25pcs M3*10+6mm 25pcs M2*8+3mm25pcs 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-Woman Control M3*6mm25pcs M2 x 5 mm, 25 pieces. M3*8mm25pcs M2 x 6 mm, 25 pieces. M3 x 10 mm, 25 pieces. M2 x 8 mm, 25 pieces. M3 x 12 mm, 25 pieces. M2 x 10 mm, 25 pieces. M3 x 15 mm, 25 pieces. M2 x 12 mm, 25 pieces. M3 x 20 mm, pack of 25. M2*15mm 25pcs Screws M3*6mm50pcs M2*5mm50pcs M2*5mm100pcs Nut M350pcs M3*6mm 100pcs M250pcs Total250pcs250pcs250pcs250pcs Box size: A: 17.50 x 10.00 x 2.30 cm / 6.89 x 3.94 x 0.91 inches, W: 18.00 x 10.00 x 2.50 cm / 7.09 x 3.94 x 0.98 inches, C: 13.00 x 7.00 x 7.00 x 2.50 cm / 5.12 inches x 2.76 inches x 0.98 inches D: 13.00 x 7.00 x 2.50 cm / 5.12 inches x 2.76 inches x 0.98 inches (optional)Package weight: approx. 46-101gQuantity:250pcs/box Package Includes:1 x Box of 250pcs Spacers M3*6mm100pcs Package List