New From Inertia Racing Products: Machined Aluminum Servo Link Kit for the Kraken Vekta .5 These are Proudly made in house , in the USA CNC Machined 6061-T6 Aluminum Center Link The Threads for the rod ends are Roll Form Tapped, NOT straight cut tapped . This increases the strength of the threads . The included 2 High Mis-alignment spacers are the Correct Design , They are a multi step design that allow proper , and maximum ball rotation . These are backed by IRP's Famous 100% Lifetime Warranty  1 x link with High Quality Steel Rod Ends 2 x high mis-alignment spacers 1 x decal 1 x written installation instruction sheet