150pcs ABS Round Spacer Assortment Kit White Insulation for M3,M4 Screws Nylon Column Standoff Support with Plastic Box（Black）

1, [Quality Material]: These professional white insulation spacer assortment kit are made of ABS nylon which is durable, anti-corrosion,insulated and non-toxic. 2, [Including 10 Size]: 15pcs M3 x 7mm x 4mm; 15pcs M3 x 7mm x 6mm; 15pcs M3 x 7mm x 8mm; 15pcs M3 x 7mm x 10mm; 15pcs M3 x 7mm x 12mm; 15pcs M4 x7mm x 4mm ; 15pcs M4 x 7mm x 6mm ; 15pcs M4 x 7mm x 8mm; 15pcs M4 x 7mm x 10mm; 15pcs M4 x 7mm x 12mm. 3, [Package Information]: Package including 150 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.