Bathroom radiator spring loaded Kermi towel heater hooks V.2 - 22.5mm

Orignally, this was an idea taken from the radiator hook design by ramhofer. Thanks for the inspiration!
I first created a pretty similar design from scratch and posted it here. But a few months later, the hooks started to wear and become loose on my radiator. The current version 2 is a complete redesign. It is a litte wider and uses spring load tension to stay fast for a long time.
The measurements are made to fit on radiators made by the popular European manufacturer "Kermi". They feature 22