Haida 150mm x 170mm ND8 GND 0.9 PROII Hard Graduated Neutral Density Multi-Coated MC ND Rectangular 8x Filter Scratch resistant multi-coated optical glass ND8 / 8x / 0.9 / 3 F Stops. Ultra thin at approximately 2.0mm thickness Compatible with Haida 100 square filter holder and Lee Filter's SW150 Filter Holde Includes Metal Tin / Case