Features:
This set includes filter, CPL filter and ND8 filter.
Protective Filter: Prevents loss of sharpness and contrast by filtering out rays and Haze; Protects Lens from scratches, scuffs and smudges.
CPL Circular Polarizer Filter:Increases color and contrast by removing unwanted reflections from non- surfaces such as or glass; Reduce and reflections significantly from non- surfaces.
ND8 Filter: Apply slow shutter under strong sunlight exposure, large aperture is available to create depth of field easily; The number indicates the fraction by which is reduced; ND8 cuts the entering the lens by 1/8. 
Equipped with a knurling for easy attachment and removal.
This filter is compatible with 72mm lenses.

Specifications:
Material: Optical resin(ND8) + Optical glass( * CPL)
Diameter: 72mm, fits for the same size of screw lens
Package size: 11.5 * 12.5 * 2cm / 4.5 * 4.9 * 0.8in
Package weight: 103g / 3.64oz

Package List: D2517
1 * Filter
1 * CPL Filter
1 * ND8 Filter
1 * Bag