Binder holder-- made of copper material, and rust resistance, durable and easy to use.. Motherboard standoffs-- these standoffs are useful small tools, very easy to install and bring a lot of convenience to your DIY projects.. Female spacer-- the surface is flat and smooth without burrs, workmanship, strong and durable.. Metal bracket-- ideal for mounting between pcb circuit boards and machine boards, prevents motherboard from shorting out and help cooling.. Hexagon pillar-- threaded spacers are used to stack or mount printed circuit board and machine boards..
