Speedring Adapter for Profoto RFi Softbox to Profoto Studio Flash Strobe Light. The RFi Speedring Adapter from Haoge is used for attaching RFi Softboxes to a Profoto Flash Head. It makes the RFi softboxes compatible with Profoto flashes.Can be rotate 360 degrees for maximum creative flexibility. Compatibility: Profoto RFi Softbox and Profoto Studio Strobe Package Including: 1 x Speedring Adapter. There maybe some delay due to flight, holiday, weather, local post, local natural disaster impact. Thank you and happy a nice day! The item "Speedring Adapter for Profoto RFi Softbox to Profoto Studio Flash Strobe Light" is in sale since Saturday, June 17, 2017. This item is in the category "Cameras & Photo\Lighting & Studio\Other Lighting & Studio". The seller is "yelfoto-pro" and is located in CN. This item can be shipped worldwide.