Title says it all!

TIA!

It enables you to set up your tripod head for very low angle shots or mounting onto platforms or other flat surfaces.

Cartoni | K487 Hi-Hat with Flat Base | K487 | B&H Photo Video (http://www.bhphotovideo.com/bnh/controller/home?O=productlist&sku=188712&Q=&is=REG&A=details)

OK - that was kind of what I figured but figgered no harm in asking :)