Buy on Amazon : http://www.amazon.com/gp/product/B00DP3MIKE?tag=catfoodrevi0a-20
CowboyStudio Speed Ring Speedring for Speedotron Softbox Monolight Speedotron SPEEDRING
One 1 Speedotron Speed Ring
Superior strength 6 removable steel insert provides
Superior strength over aluminum
100? metal speed ring Fits Speedotron
Collar rotates and locks 8 x holes holes are 8mm in diameter
