Nut Bolt City Limits

This photo was taken in my house during March 2008.
The technical information is as follows.
Camera - Canon EOS 30D
Shutter speed - 1/250
Aperture - f25.0
Lens - Canon EF 100mm f2.8 Macro USM
Focal Length 100mm
ISO 100
3 x Interfit 300W Stellar Flash Lights
Tripod