2PCS Step Up Adapter Ring: 1 x 43-52mm Step Up Adapter Ring & 1 x 40.5-52mm Step Up Adapter Ring
Product Name : Step Up Adapter Ring
Male Thread : 43mm/1.7inch
Female Thread : 52mm/2inch
Size(Approx) : 54 x 6mm/2.1inchx 0.24inch(Max.D x H)

Color : Black
Material : Metal
Adapter ring is suitable for filters, close-up lenses and other attachments to lenses with different filter thread sizes.
40.5-52mm Step Up Adapter Ring:
Male Thread : 40.5mm/1.59inch
Female Thread : 52mm/2inch
Size(Approx) : 55 x 6mm/2.16inchx 0.24inch(Max.D x H)
The Bower 40.5-52mm Step-Up Adapter Ring easily screws onto the front of any 40.5mm Lens, and allows you to convert to the 52mm threads of accessory items (such as filters, hoods, flashes and lens converters).
43-52mm Step Up Adapter Ring:
The Bower 43-52mm Step-Up Adapter Ring easily screws onto the front of any 43mm x Lens, and allows you to convert to the 52mm threads of accessory items (such as filters, hoods, flashes and lens converters).
Color : Black

Package Contents:
1 x 43-52mm Step Up Adapter Ring
1 x 40.5-52mm Step Up Adapter Ring