Item Type: Standoff Spacer Kit Purpose: Brass column screws on the motherboard of a computer case. Male Female Column Screw Thread Diameter: M2 Male Female Column Screw Knurled Length: Approx. 3mm or 0.1in 4mm or 0.16in 5mm or 0.2in 6mm or 0.24in 8mm or 0.3in 10mm or 0.4in 15mm or 0.6in 20mm or 0.8in Male Female Column Screw Thread Length: Approx. 3mm or 0.1in Stainless Steel Screw Knurled Length: Approx. 4mm or 0.16in 1The thread is complete and deep, and the thread is neat and clear, and the force is even and not easy to slip. 2This brass standoff kit is glossy and burr-free, exquisite workmanship, fastened and durable. 3Processed with brass rods, original materials are strictly controlled, and recycled brass is never used. 4This standoff nut kit has complete specifications to meet your different needs. 5Simple operation, light weight and in small size, equipped with a box for easy storage.50 xM2 4mmStainless Steel Screw 50 xM2Stainless Steel Nut 20 xM2 3 and 3mm Male Female Column Screw 20 x M2 4 and 3mmMale Female Column Screw 20 x M2 5 and 3mm Male Female Column Screw 20 x M2 6 and 3mm Male Female Column Screw 20 x M2 8 and 3mm Male Female Column Screw 20 x M2 10 and 3mm Male Female Column Screw 20 x M2 15 and 3mm Male Female Column Screw 20 x M2 20 and 3mm Male Female Column Screw