Propeller Props for MJX T40C T640C T55 T23 RC Helicopter Country of Manufacture: CHINA; Brand: Assisi Material: Plastic; Net Weight: 65g Package Content: 4pcs x MJX RC Helicopter Propeller; Main Color: White, Yellow Shaft Hole Dia: 6mm/ 0.24inch; Total Size(each): 24 x 4.5cm/ 9.4 x 1.8inch(L*W) Fit for: MJX T40C T640C T55 T23 RC Helicopter