This is ARC A10 Tweak Stick Set.
The new tweak stick for A10 and A10MF series cars, the full carbon fiber construction, and disassembles for easy carry.
Instruction:
1. Make sure the chassis plate is new with minimized wearing.
2. Loosen the top and lower bulkhead screw by half-tune.
3. Place the chassis on a flat plate.
4. Put the tweak stick set on the upper bulkhead and press down firmly.
5. Use another hand and screw up the top bulkhead.
6. Tight lower bulkhead screws as well.