cable guide for keyboard drawer

My keybaord cable need to go from the front side to my computer
But every time I close the drawer, the cable will be clapmed
So I design this cable guide

There is two size of screw
for ver 6
It can clip on any position that is 14 ~ 21mm thick
ver 2 crew iks longer , can be used in 0 ~ 21 mm thick

the screw hole doesn't need support !
or it will be hard to locking the screw
the screw should be printed stand
and doesn't need support ,too