Haida Pro II MC 100mm 150mm Pro II MC Soft Grad ND4 .06 Glass Filter GND 100 Series GND0.6 4x Graduated Neutral Density Multi Coated High Quality Optical Glass 100mm x150mm. 2mm Thickness 2 Stop ND at top with soft edge / border Compatible with Haida 100mm Holders inc Cokin Z, Lee etb Includes Metal Storage Case.