Install Charleston Black Metal Spindle using handrail and baserail with 13mm groove.
Install Charleston Metal spindles with bracket.
If you decide to use grooved handrail and baserail you have to make sure the handrail and base rails comes with 13mm infill, fit them into the groove like the wooden spindles.
If you decide to use bracket then you need ungrooved handrail and baserail using either rake brackets (MBRPB) or landing brackets (MBLPB)depending on what is required (Please note Brackets are not included.
Richard Burbidge Metal spindles Available in six different designs.