Formatt Hitech 85x110mm (3.35"x4.33") Neutral Density Soft Edge Grad 0.9 (3 Stops) for Formatt Hitech 85mm modular holder Cokin P System compatible with all 85mm holder systems 3 stop (0.9) Soft Edge graduated ND filter Soft edge filter has seamless transition at middle of filter and ideal for all landscape and horizon work Made in the UK in rugged and durable CR39 resin Compatible with Formatt Hitech 85mm, Cokin P size and all other 85mm systems