Our standoff screws are widely used in computers, computer cases, circuit board assembly, electronic fields, etc. The PCB standoffs play a supporting, isolating and fastening role in the use.Specification Material: NylonThread: M2Thread Pitch: 0.4mmFemale-Male Thread Length: 20mm+6mmPacking List: 20pcs 20mm+6mm Standoffs, 20pcs M2 NutsAdvantageThe nylon standoffs are rust-free, durable, stable, and reusable compared with metal standoffs.InstructionDesigned to keep PCB at a consistent height and prevent it from bending, twisting, and short-circuiting.NOTE: Please measure the required length of your project, and then select the appropriate standoffs to save your time and effort.