As an Balcar / Alien Bees / White Lightning / Einstein Strobe owner, you will know just how expensive it can be to get Light Modifiers for your Strobe, finally there is a solution - this adapter allows you to fit a huge range of inexpensive "S" Type accessory from Bowens and other 3rd parties.SPECIFICATION:- Function: Make the studio flash mount changeable- Material: Metal- Casing Finishing: Matt Black Finishing- Weight: 230gPACKAGE CONTAINS:- 1 x Balcar to Bowens Mount Speedring Adapter