Check the listing for details. Microheli CNC Triple Blade Conversion Set (RED) - BLADE 450X / 330X / 330S. Color: Red, Condition: New. Listed at 129.99 USD. Product DescriptionFeaturing Microheli’s best designs, the CNC Triple Blade Conversion set is designed with material strength and precise CNC tolerances in mind, to optimize stability, durability, response and overall performance of the BLADE 450X / 330X / 330S helicopter.Every detail of this Conversion set was scrutinized in terms of lift forces and energy consumption in-flight. This new design was based on high technical standards and aesthetic.More than that, with the BLADE 450X / 330X / 330S 3-blade head system, you will have both a smooth flight in 2D and an awesome flight in 3D. It can perform all maneuvers in mid-air like a standard 2-blade, and produces dynamic sound during flight at the same time.The BLADE 450X / 330X / 330S 3-blade head system is overall the best choice for pilots who aspire to build the scale helicopter. With its high-visibility, outstanding features and design, precision CNC high-performance parts and more, get ready to experience the next level of the CNC Triple Blade Conversion set by Microheli. Included:1 x CNC Triple Blade Conversion set2 x Plastic Tail Blade 62mmUsage:Use for BLADE 450X / 330X / 330SRecommended:Need 1 more stock main blade of BLADE 450X / 330X / 330S and then balance 3 blades before use themUse the plastic tail blade 62mm included Requires:Read and follow the Assembly Instruction carefullyLoctite (#242 is recommended) is required to apply to all mechanical screws for safety precautionBasic hand toolsInstruction:Manual and Instruction included ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ Hello, Thank you so much for your interest in our products. When buying multiple items, please use the feature "Add to cart" on all items, then check out and pay for as one order. By doing this, the system will recalculate to give you the combined shipping rate.Please visit our online store - easy to find on search platforms - for more great products more discounts.Especially you will get free Domestic Shipping on Orders $50 (excludes oversized items), free Priority Shipping on Orders $100 in the US and free International Shipping on Orders $200 (excludes oversized items). Only applicable in the US and purchased in our online store. If you have any questions, do not hesitate to let us know. Best Regards,NEXRC HOBBY INC.,----------------------