Supplied Complete with Installation Accessories. Suitable for Surface Mounting or Suspension. Easy- Snap Fit Diffuser. Available in 1m or 2m LengthsExternal Cross Section: 16 x 12mm Internal Cross Section: 11 x 9mm Diffuser Visible Width: 11mm. Extruded aluminium batten section profile with diffuser and fitting accessories for LED tape installation. Ideal for illuminating furniture or architectural details.. led strip profile-led strip fixing-led tape profile