Tarot TL96018 Dual Battery Under Mount Seat Plate Holder Set for T810 T960 FPV RC Hexacopter Multicopter Frame Applicable to T810/T960 (12MM diameter) TORAY 3K pure carbon fiber applied, CNC processed, matte pure carbon plate has ultra-high quality The whole appearance has strong visual effect Unique port design to avoid battery tie loosing Two CNC metal 12MM damper sets included, which is easy to adjust C.G.