Adjustable turnbuckle 55mm with M3.5mm thread for 5.4mm larger pivot balls. CNC-machined from world-renowned HUDY Spring Steel™ and hardened with a proprietary solidifying means of unbeatable lifespan and dependability. The more high priced 5.4mm pivot balls guarantee extended travel concerning the ball bones which reduces the possibility of the popping down. Couple of 2.