It includes the screws and tools needed to replace the propeller blades, swap the motor or the cable and more.Here is a full list of the screws and tools included in the set and their uses:Tools: Receiver Mount: L-Torx Key TX10 Propeller blades: L-Allen Key #3 Motor, safety guard and connector: L-Torx Key TX20 Screws & track nuts: Top Plate: M8x25 (4 pieces), t-nuts M8 (4 pieces) Top Plate (boards with deeper tracks): M8x30 (4 pieces) Cable Fastener V: M6x25 (2 pieces), t-nuts M6 (2 pieces) Fuselage & Adapter: M8x50 (3 pieces) Connector: M4x12 (2 pieces) Motor: M4x10 (3 pieces) To attach the cable to the board: Cable Fastener mount 3M with adjustable tie strap (4 pieces) and Alcohol Pads (2 pieces)The 2‑in‑1 Torx key (TX45 and TX30; 42260-8308) required to mount the mast to the board and the fuselage to the mast is available separately.