Adjustable turnbuckle 55mm with M3.5mm thread for 5.4mm bigger pivot balls. CNC-machined from world-renowned HUDY Spring metalâ„¢ and hardened with a proprietary solidifying means of unbeatable lifespan and reliability. The greater amount of high priced 5.4mm pivot balls guarantee extended travel regarding the ball bones which decreases the likelihood of the popping down. Handful of 2.