Features:The Filter Holder fit for all standard 4 * 4" / 4 * 6" filter.(such as Lee Hitech Tiffen Singh-Ray Cokin Z Pro etc.) The holder can use 2pcs 2mm filters or 1pcs 2mm filter and 1pcs 4mm filter.The Holders fit onto the camera lens by snapping on the adapter ring to be screwed onto the lens.There are screws on the ring to keep the filter set much steady.It can be precisely adjusted and attached to the lens by means of a screw-in adapter ring. Specifications:Adapter Ring Fit filter size: 4 * 4" / 4 * 6" filterMaterial: PlasticPackage size: 14.5 * 15.5 * 3.5cm / 5.7 * 6.1 * 1.4inPackage weight: 101g / 3.6ozPackage List:1 * Filter Holder2 * Flitet Slots1 * Bag
