Available in satin, knurled, polished and powder coated white. Size: 300mm, 400mm, 450mm, 600mm, 750mm, 900mm, 1000mm, 1100mm, 1200mm. Not all of the larger ones are available in knurled and white. Knurled is the rough surface given to a section of the rail, in order to make it easier to grip, and reduce and slippage. The grab rails have holes for fixing points behind the cover plates.