CORE offer a comprehensive range of channel lengths in 3 and 6 metres to BS6946:1988 (British Standard specification for metal channel cable support systems) which is available as slotted and plain channel lengths. Available channel sizes are 41 x 21mm, 41 x 41mm and 41 x 82mm ( back-to-back channel) profiles. These are available in standard gauge (2.5mm) and light gauge (1.5mm) thickness, except for back to back channel. All slotted channel length profiles have full end slots with a Pre-Galvanised finish.