This is a versatile bracket that will fit on almost any light stand. It includes two removeable, reversible studs to adapt to light stands with top studs smaller than the standard 5/8 inch. It also includes a shoe mount, which will accept virtually any shoe-mount flash unit.
Tilthead Umbrella Adapter with Flash Shoe
Reversible male stud with 1/4-20 and 3/8 in screw thread
Reversible female stud with 1/4-20 and 3/8 in female thread