*Used for the T-REX 450.

Included in box:

*Linkage ball A(M2x2.5) x 6(4.75x7.18mm)
*Linkage ball A(M2x3.5) x 9(4.75x8.18mm)
*Linkage ball E(M2x3.5) x 1(4.75x6.3mm)
*Long linkage ball (M2x3) x 1(4.75x14mm)