The Photoflex Speedring for Speedotron Blackline helps in mounting the softbox with ease. It helps in attaching the rectangular or octagonal softbox to a Speedotron Blackline. This speedring is compatible with Speedotron Blackline 102, 103, 104, 105, 106, 202VF, 206VF heads, and Brownline M11 and M11Q heads. Designed to last longer, it is made from cast aluminum that provides better durability. Its outstanding feature is the heat resistant property that makes it safe for using in case of high heat-generating strobes.