Tarot 450DFC RC Helicopter Accessories Main Shaft Set TL45166 Remote Control Toys Parts Ultra-low center of gravity short spindle shaft design makes the body's center of gravity close to the rotor level,effectively enhance the action of neat,the main rotor holder with locking screw spindle sleeve bold as M2.5 screws. . Name: Main Shaft Set . Brand: Tarot . Weight: 33g . Length: 108mm . Color: Light grey . Package include: 2 x 450DFC Main Shaft . 1 x Limit ring .