Align Linkage Ball Assembly for T-REX 500 Pro

FeaturesSteel ball parts is made of rigid stainless steel, features wear - resisting, and anti-oxidization. IncludesLinkage ball A ( M3 x 4 ) x 4 ( 4.75 x 8.68mm ) 4.7 Linkage ball A ( M2.5 x 2.5 ) x 2 ( 4.75 x 11.5mm ) Linkage ball B ( M2.5 x 3 ) x 8 ( 4.75 x 9.77mm ) Linkage ball ( M2.5 x 3 ) x 1 ( 4.75 x 24.59mm ) Linkage ball A ( M2 x 3.5 ) x 2 ( 4.75 x 8.18mm ) Linkage ball A ( M2 x 2.5 ) x 1 ( 4.75 x 7.18mm ) 4.7 Linkage ball A ( M2.5 x 3 ) x 2 ( 4.75 x 13.5mm ) Weight : 15.64g