280pcs ABS Round Spacer Washer Assortment Kit，M3 M4 Screws Nylon Non Threaded Column Standoff Support Spacers with Plastic Box(Black)

1, [Quality Material]: These professional black insulation spacer assortment kit are made of eco-friendly ABS nylon which is durable, anti-corrosion,insulated and non-toxic. 2, [Including 14 Size]: 20pcs M3 x 7 mm x 3 mm; 20pcs M3 x 7 mm x 5 mm; 20pcs M3 x 7 mm x 6 mm; 20pcs M3 x 7 mm x 8 mm; 20pcs M3 x 7 mm x 10 mm ; 20pcs M3 x 7 mm x 12 mm ; 20pcs M3 x 7 mm x 15 mm; 20pcs M4 x 7 mm x 3 mm; 20pcs M4 x 7 mm x 5 mm; 20pcs M4 x 7 mm x 6 mm; 20pcs M4 x 7 mm x 8 mm; 20pcs M4 x 7 mm x 10 mm; 20pcs M4. 7mm x 7mm x 12 mm; 20pcs M4 x 7 mm x 15 mm. 3, [Package Information]: Package including 280 pieces ABS round spacer washer assortment set with one plastic storage box. 4, [Application]: Protect screw from twist,corroded,short-circuit.Suitable for commercial or household appliances, automotive, marine and other threaded/bolt-type connection power equipment. Widely used in electrical products as PC boards,3D Printer, TV Wall Mount Socket, Pegboard. 5, [Satisfaction Guarantee]: Factory outlets. If there is any question before or after purchasing, please don't hesitate to contact us, we will try our best to solve it in 24 hours.