Lochrin Defender SL3 is an innovative high-security palisade fencing system designed and developed by Lochrin Bain.

After undergoing independent attack tests by BRE the patent-pending design entered into the RED BOOK successfully achieving LPS1175 Issue 8:C5 (SR3) rating. The unique construction has been designed to ensure a minimum delay time of at least five minutes, independently tested to defeat a range of attack methods including both hand tools and power tools.