XRAY item 303260 - X4 Pivot Ball 6.0mm With M3x5.5mm Thread Hudy Spring Steel 2
Especially made 6.0mm ball universals with 5.5mm thread the CFF repaid fingers. To be sure optimum performance, the X4's high-precision pivot balls are machined in-house then nickel coated for a smooth and durable finish. Manufactured from world-renowned top-secret HUDY Spring metal. Band of 2.