This one metre length of white aluminium recessed profile is the ideal profile for all your LED strip projects. Tech Light have designed this product to sit flush against the surface in which it is mounted. its the lip on either side covers the edges of any grooves you have created giving it a clean finish. This P6-2 profile has an internal measurement of 13.4mm and an external depth of 6.2mm meaning any grooves created are only required to be 6.2mm deep. All Tech Light LED profiles are protected by anodization layer which protects them from the elements.