Product Description Package Contents: 180pcs M2.5 Hex Brass Gaskets 1. 180pcs Brass Separator Kit: The Brass Separator Screw Kit includes hex standoffs, screws, nuts and standoffs. It is applied to many assembled areas, meeting different needs 2. Durable material and long-lasting use: spacers are made of heavy-duty brass, stainless steel bolts and nuts, which are sturdy, corrosion-resistant, compact and portable 3. Size: The M2.5- Brass bushing length is 6mm, 10mm, 15mm, 20mm; The thread is M2.5/(2.5mm), the thread pitch is 0.45mm 4. Easy Installation: The spacer kit is a very useful little tool, it is very easy to install and brings great convenience to your life 5.Package Include: 180pcs M2.5 Standoff Kit, plastic box is durable, all parts are in their individual compartments