The Basic Mini Ballhead Kit is designed to give you the ability to mount accessories, such as a Monitor, Portable Digital Audio Recorder and much more. It consists of a male threaded Single Railblock and a Giottos MH-1304 Pro Series II Mini Ballhead. The Mini Ballhead has been carefully designed and manufactured to precisely position the camera easily and securely. Measuring slightly over 1â€³ (27mm) In diameter, this head can support up to 7 lbs (3 kg). This is a very affordable kit that will go perfect with all of your DSLR needs.