standoffs can be used as a fastener in a corner or space with low clearance, a shoulder on an M4 screw or an adjustable stop on a piece of threaded rod operating a control surface.
You cannot add that amount of "1501 Series M4 x 0.7mm Standoff (6mm OD, 14mm Length) - 4 Pack" to the basket because there is not enough stock ( remaining).
