Countersunk bed Spring Spacer for Wanhao Duplicator I3

Simple but useful design; after applying the indispensable "M3 nuts and thumb wheel mods" for the bed screws on Duplicator I3 I noticed the spring would move around on the bottom washer causing uneven pressure and quite imprecise leveling; this spacer will block the spring in a perfectly vertical, flush position making bed leveling an easy and quick business, also gives the adjustment system a more premium look.
I know its basic but its my first!
The bottom metal washer can be removed or kep