"Product Name : Step Down Adapter Ring;
<br />Lens Side : 55mm/ 2.2""
<br />Filter Side : 52mm/ 2"";
<br />Total Size : 57 x 6mm/ 2.3"" x 0.24"" (D*T)
<br />Material : Metal;
<br />Color : Black
<br />Weight : 6g
<br />Package Content : 1 x Step Down Adapter Ring