This is a set of Dubro heavy-duty ball links for use with 3mm threaded rods.
Includes: Twelve each of heavy-duty ball links with brass swivel-balls (3mm self-threading), beveled brass swivel-ball stand-offs, 3mm x 18mm socket head cap screws and 3mm lock nuts (metal construction with nylon insert)
Requires: 2.5mm hex wrench
Ball Link Length: 27mm (1.063)
Standoff Height: 3.2mm (0.125)