77mm Ring Adapter+Gradual ND4 Square Filter +Wide Holder +Hood for Cokin P Series Gradual Split High Quality Neutral Density Filter ND4 to 0 Increases control of depth of field & Exposure in very bright to very dark scenes Filter Holder is made of high-impact material and compatible for the Cokin P-System Wide Filter Holder Holds 1 Square Filter and comes with 77mm Adapter Ring Also included is the New Stackable Filter Hood for Cokin P-series 84mm system