uxcell 52mm to 54mm Step-Up Filter Ring Adapter for Camera Lens Product Name : Step Up Adapter Ring;Material : Metal Male Thread : 52mm/2.12";Female Thread : 54mm/2.04" Size(Approx) : 57 x 6.8mm/2.24"x 0.26"(Max.D*H);Color : Black Weight : 5g Package Content : 1 x Step Up Adapter Ring