The Kupo Umbrella Mount Swivel Bracket adapter has a 5/8' inch receiver on both ends. This bracket can connect stands or accessories with a standard 5/8" spigot to make pivoting the speedlight and umbrella easy. Both ends are joined by a tilting pivot and a metal handle to secure and lock it in place. This swivel bracket is commercial grade, made of durable aluminium. This bracket swivel adapter includes a locking umbrella socket which will fit standard umbrella shafts up to 3/8" or 9mm in diameter. Note that Studs pictured are available separately.