This P23-1 profile is intended to be inserted into grooves or routes. It is suitable for all surfaces (plasterboard furniture ceilings and floors etc). It is 1 metre in length and features wings either side which cover any unsightly edges of the opening creating a professional sleek finish. This profile has an internal width of 40.8mm making it wide in comparison to more traditional profiles. This allows up to 5 x 8mm LED strip lights to be mounted within making this the ideal solution if you are looking to create lighting lines. The depth of this product is 25mm. All Tech Light LED profiles are protected by anodization layer which protects them from the elements.