360°Electric Slip Ring Small Gear for Heng Long 1/16 TK7.0 Maindbord RC Tank

Suitable for: 1/16 RC Henglong 7.0 Ver 3818, 3819, 3838, 3839, 3848, 3849, 3858, 3859, 3868 、3878, 3898, 3909 Tank Model.

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