SODIAL(R) 52mm-37mm 52mm to 37mm Black Step Down Ring Adapter for Camera Product Name : Step Down Adapter Ring;Lens Side : 52mm/ 2" Filter Side : 37mm/ 1.46";Total Size : 55 x 6.5mm/ 2.2" x 0.26" (D*T) Material : Metal;Color : Black Weight : 15g Package Content : 1 x Step Down Adapter Ring