2PCS Step Up Ring: 1 x 55mm-77mm Step Up Ring & 1 x 72mm-77mm Step Up Adapter Ring
Metal Step Up Ring is a must have for the serious photographer
Size: 55mm-77mm

Color : Black
Material : Metal
72mm-77mm Step Up Adapter Ring:
Product Name : Step Up Adapter Ring
Male Thread : 72mm/2.83inch;Female Thread : 77mm/3.03inch
Size(Approx) : 79 x 7mm/3.11inchx 0.28inch(Max.D x H);
Adapter ring is suitable for filters, close-up lenses and other attachments to lenses with different filter thread sizes.
The Bower 72mm-77mm Step-Up Adapter Ring easily screws onto the front of any 72mm Lens, and allows you to convert to the 77mm threads of accessory items (such as filters, hoods, flashes and lens converters).
55mm-77mm Step Up Ring:
It allows using 77mm filters or lens attachments on your digital camera / camcorder with 55mm filter thread.
The 55-77 Step Up Adapter Ring is made with light weight and durable aluminum material.
You may also combine multiple step rings to fit even larger filters

Package Contents:
1 x 55mm-77mm Step Up Ring
1 x 72mm-77mm Step Up Adapter Ring