●Linkage ball A(M2.5x2.5) x 3(Φ4.75x7.18mm)
●Linkage ball A(M2x2.5) x 4(Φ4.75x8.18mm)
●Linkage ball G(M2x2.5) x 2(Φ4.75x11.18mm)
●Long linkage ball A(M2x2.5) x 1(Φ4.75x23.68mm)