The Smith Victor 580 Steel Adapter with 1/4" and 3/8" Ends is a 3" long, 2-part adapter consisting of a 5/8" (16 mm) diameter 1/4"-20 - 3/8" male stud and a 5/8" (16 mm) diameter 1/4"-20 - 3/8" female stud which are ideal for use in swivel mounts or to adapt light stands..
UPC: 037733009031