XCSOURCE 8 PCS Graduated ND Filter Set(ND2 ND4 ND8 ND16 G.ND2 G.ND4 G.N8 G.ND16)+ 9 Metal Adapter Ring (49mm/52mm/55mm/58mm/62mm/67mm/72mm/77mm/82mm)+ Holder for Cokin P LF291 Size name:filter kit 2   Package includes: - 8pcs Filter Set (Third Party) G.ND2 filter x1 G.ND4 filter x1 G.ND8 filter x1 G.ND16 filter x1 ND2 filter x1 ND4 filter x1 ND8 filter x1 ND16 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  - 4 slots filter case x 1