This system includes : Aluminum Back Knuckle Inner Part-2pcs stainless Cap Head Screw 2.5x8-4pcs Metal Cap Head Screws 2.5x10-12pcs Product major function & usage:
Give you the interior gears of back knuckle arms to guarantee the gears are running smooth built from aluminum 6061 T6 generate greater durability and lots of other things sturdy doing company with We use 3D improve to CNC item these items your can buy huge metallic feel This couple of knuckle fingers is exclusive now we might are particularly very first manufacturer to help make the product inside RC market.