M6 hex standoff male to female length is 10mm, 15mm, 20mm, 30mm, different size can satisfy your different needs.
Used to securely mount your PCB as well as elevating it from other components such as the inside of a computer chassis or another PCB.
The male-female has an internal thread one end and an external threaded stud or screw the other to enable components to be joined together.
Easy to install, hexagonal design allows tightening with a wrench.
Stainless steel material, which are strong, resist rust, corrosion-resistant, compact and portable.