GEM Strike Release
Genuine GEM electric door releases by Gianni. These are very robust, high quality strike releases at very competitive prices. If you're looking for something high quality but don't necessarily want to spend the serious money some of the high-end brands command, then looking for GEM door releases is a good option.
Among the range are the ever popular GK310 strike releases and of course the infamous GK231 fire-rated strike release!