Pack of 5 wall brackets and fixings for wall mounting Herkules 60 or 120 sliding door systems For doors up to 45mm thick use SD/WB45 For doors up to 25mm thick use SD/WB25 Matching Joining Wall Brackets can be used to join together two or more lengths of track For doors up to 45mm thick use SD/JB45 For doors up to 25mm thick use SD/JB25