This system includes : Stainless Cap Head Screw 2.5x8-4pcs Product major function & usage:
Provide internal gears from straight back knuckle hands to make sure the gears are running smooth created using aluminum 6061 T6 to complete greater durability and several other products sturdy to utilize We utilize 3D improve to CNC device these items their find much metallic feel This musical company of knuckle arms is exclusive so we're initial brand name to discharge that within the RC market.