BLACK on BLACK lineup are selected from popular items. 
Also, those screws and mount parts are all black processed.

Click a picture  to view the larger image

Quattro for iPhone4 HD Black on black - Super extra duralumin

Click a picture  to view the larger image

Body material : Super extra duralumin
Screw material :Stainless steel 
Weight : About 62g

Basic products are here.    Quattro for iPhone4 HD

Quattro for iPhone4 SP Black on black - Carbon fiber 

Click a picture  to view the larger image

Body material : Duralumin
Screw material :Stainless steel
Weight : About 47.5g

Basic products are here.   Quattro for iPhone4 SP

The black lens of three types

FISHEYE CONVERTER x0.33 170°Black
WIDE & MICRO X0.55 Black
CLOSE-UP LENS 40

Please dress up your iPhone4 with stylish black.

• Made in Japan
• An iPhone is not included.
• Interchangeable lenses is not included.
• This product is not designed to protect the iPhone from shocks or impacts. Factus Design Inc. will bear no responsibility for damage, malfunction, loss, or the loss of data sustained by the iPhone through impact or through other causes.
• The specifications, appearance, or bundled items may change without notice.
• The connector section is small for structural reasons. A conversion cable may be needed when using earphones with a wider diameter than Apple earphones.
• A strap is not included.
• The product is not waterproof. Should the product become wet, remove the device immediately and wipe all parts dry before putting them together again.
• Verify that the screws are tight each time before using.
• All products are made to order, and cancellations are not accepted.
•Since the product is made from metal, wireless LAN signals and 3G,GMS,GPS may be difficult to receive.
・Before you put the cover on, if the antenna of 3 lines that shows cell phone reception is poor (originally, where it is poor area),a signal may hard to get in some cases.
・If the antenna is less than 2 (where signal is poor) at your home or work place, not recommend using it.