WLtoys V977 V966 Metal Conversion Upgrade Component Red Remote Control Toys Parts Item name: Metal Conversion Upgrade Component . Color: Red . Usage: for Wltoys V977 V966 RC Helicopter . Package Included: 1 x Metal rotor head . 2 x Metal Blade Grips(contain bearings) . 1 x Plastics Swashplate . 3 x Screw . 4 x Soft shock pad . 4 x Hard shock pad .