XCSOURCE 6pcs ND2 / ND4 / ND8 / G.ND2 / G.ND4 / G.ND8 Filter Set + 9pcs Ring Adapter Filter Holder for cokin p Series LF6 Size name:filter kit 1   Features: Screw the adaptor ring onto your lens. Slide the filter-holder on the adaptor ring until it snaps in place. Slide the filter (up to 3) into one of the filter-holder slots. Filter Dimension: 84mm * 95mm Focal Lengths: 48/49/52/55/58/62/67/72/77/82mm Package includes: -6pcs Filter Set (Third Party): G.ND2 filter x1 G.ND4 filter x1 G.ND8 filter x1 ND2 filter x1 ND4 filter x1 ND8 filter x1  -9pcs Ring Adapter + 1 Filter Holder (Third Party): 49mm Ring Adapter x1 52mm Ring Adapter x1 55mm Ring Adapter x1 58mm Ring Adapter x1? 62mm Ring Adapter x1 67mm Ring Adapter x1 72mm Ring Adapter x1 77mm Ring Adapter x1 82mm Ring Adapter x1  -3 Slots Filter Holder x1 -6 slots filter case x 1