uxcell 49mm Camera Filter Holder Aluminum Adapter Ring for Cokin P Series Product Name : Camera Adapter Ring;Suitable for : Cokin P Series Male Thread Diameter : 49mm;Total Size : 84 x 4mm/ 3.1" x 0.16" (D*T) Material : Aluminum;Color : Black Weight : 19g Package Content : 1 x Adapter Ring for Cokin P Series