Connect your strobe to a suite of FotodioX softboxes and beauty dishes with the Multiblitz P Speedring Insert and Plate, a pair of spare or replacement parts for mounting light modifiers. The FotodioX Pro and Pro Studio Solution EZ-Pro modifiers require only the speedring insert, while the Pro Classic Softboxes require both the insert and plate. The insert has an all-metal construction and an outer diameter of 6".