Product Description The design of the Aluminum Main Blade Grip was to optimize for rigidity, stability, durability and overall performance of the BLADE INFUSION 120 helicopter. It is lighter and directly replaced the stock plastic. Included: 2 x Aluminum Main Blade Grip Hardwares Usage: Use for BLADE INFUSION 120 Requires: Read and follow the Assembly Instruction carefully Loctite (#242 is recommended) is required to apply to all mechanical screws for safety precaution Basic hand tools Instruction: Manual and Instruction included.