Description: Manufactured out of hardened material Balances air props of all sizes and weights, boat props, spinners, car wheels, heli rotor heads, jet fans, fly wheels, etc. Securely centers and locks props on to the balancing shaft for utmost accuracy Each balancer comes complete with easy-to-follow assembly and prop balancing instructions Completely adjustable propeller balancer Built for the modeler who expects the very best Precision-machined rotating wheels to assure perfect balance easily Unique over/under set-up option accomodates even large-scale props For vehicle type: Multi-Rotors, Quadcopter, Hexcopter, Tarot, Phantom, DJI Inspire, DJI F450, Airplane, Helicopter Material: Tungsten steel Color: Black Size Chart: Size: 137 x 87 x 156mm/ 5.39 x 3.42 x 6.14inch Package Includes: 1 Piece Prop Balancer 1 Piece User manual