Formatt-Hitech 85x110mm (3.35x4.35") Resin ND Grad Soft Edge Starter Kit with 77mm Adapter Contains 0.6 and 0.9 ND Soft Edge Grad filters in addition to a 77mm adapter Includes an exclusive Filter Basics Booklet High scratch resistance, low material fatigue, and chamfered corners to resist breakage so the filter will provide years of service Available in three sizes 67mm, 85mm and 100mm. Made in the UK on the most advanced computer-controlled manufacturing equipment in the industry.