Features:   

Adopts high quality metal material, lightweight, sturdy and durable. 

2 rings per set, which extends the lens focal length for close-up shot, and won't alter the optical quality to ensure no glare in image.
Provides images with better quality than close-up filter, a good substitution to expensive macro lenses for macro photography.
Electronic contacts keep the light metering and auto focusing function of camera.
Fits tightly onto camera mount.
Good accessory for photography lovers   .
  
Specification:

Material: Metal
Color: Black
Mount: EF
Lens Ring Type: 10mm & 16mm

Magnification: 0.24 - 1.47 times
Focal Length: 10mm & 16mm
Suitable for Fuji XPro2, XT1, XA2, XE2, XE2s, X70, XE1, X30, X70, XM1, XA1, XPro1

Diameter: Approx. 5.5cm / 2.17in

Weight: Approx. 101g

Package List:   
1 x Lens Adapter Rings Set (2pcs)
2 x Lens Caps
Camera is not included.