Bowden Clip for E3D 1.75mm coupling

Bowden Clip to stop the bowden tube retracting when the retracting filament made in white abs. Clip inside diameter is 7mm and has a thickness of 1.4mm, comment for modifications for other bowden dimensions.
Designed for E3Ds Threaded Bowden Coupling for (1.75mm Filament) and a bowden tubing outer diameter of 4mm. Can be found here:
http://e3d-online.com/Mechanical/Bowden/Threaded-Bowden-Coupling-1.75mm-Filament
I am currently using the extruder drive made by mokash770.
http://www.thingiverse.com/thing:835542

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