This is a pack of two Du-Bro Heavy Duty Ball Links and are intended for use with 6-32 threaded rods. These high quality heavy duty ball links were developed for aircraft but can be used in a variety of applications. These ball links provide smooth friction free performance, and will reduce the chances of binding throughout the entire range of movement. Features: 2 Ball links included Heavy duty black nylon material Heavy duty standard & beveled stand off swivel balls Smooth operation Includes hardware Includes: (2) Heavy-Duty ball links w/swivel-balls (2) beveled swivel-ball stand-offs (2) 4-40 x 5/8" socket head cap screws (2) #4 lock nuts (metal construction w/nylon insert)