Ikelite 9523.45 Dual AF35 Tray with T-Mount Ikelite Dual Tray - Two 12-24 x 1/2" Mounting Screws for Ikelite Housings - Two 1/4"-20 x 1/2" Mounting Screws for Non-Ikelite Housings - Metal Washer - Anti-Rotation Inserts for Non-Ikelite Housings - Ikelite 1 Year Warranty A dual tray designed to combine the AF35 strobe kit with a secondary lighting accessory.