uxcell 42mm-52mm 42mm to 52mm Black Step Up Ring Adapter for Camera Product Name : Step Up Adapter Ring;Lens Side : 42mm / 1.7" Filter Side : 52mm / 2.0";Total Size : 54 x 7mm / 2.1" x 0.28" (D*T) Material : Metal;Color : Black Weight : 6g Package Content : 1 x Step Up Adapter Ring