This is plastic Swivel Ball Link with Adjustable tension by Dubro. This is used in conjuntion with 4-40 threaded rods Features: • Adjustable swivel tension using screw adjustment. • Black plastic construction. • Burnished brass swivel ball for smooth operation. • Full hardware included. Includes: Two linkages. Two brass swivel balls. Two 2x6.5mm slotted head tension adjustment screws. Two 2.6x15.5mm hex drive screws. Two 6.5x3.5x3mm tapered spacers. Two 2mm hex nuts.
Length: 23.5mm (.925") Inside Diameter of brass swivel: 3.3mm (.132")
Assembly onto kit. 4-40 Diameter rods.
