Bearing set is known to be an indispensable component which plays an important role in fixing and reducing friction in the process of mechanical transmission. That is to say? it is used to lower friction coefficient and maintain the center position of shaft fixed in the power transmission. Here we are glad to offer you such a reliable bearing set. Our 4pcs Wltoys V222 Quadcopter Spare Part V222-04 Stainless Steel Bearing Set is designed to support mechanical rotator and make your flying time more joyful and secure. Made of first-grade stainless steel? it ensures the longevity and stable performance. A practical accessory for all of you!                                    Features             It is made of first-grade steel material that ensures the longevity of the product<br> With stable performance? it is practical and durable<br> Designed to repair and replace old or broken bearing set of Wltoys V<br> It is a best accessory for your RC helicopter<br> Compact? durable and convenient to carry<br> Easy to install and convenient to use<br> Designed to lower friction coefficient and maintain the center position of shaft fixed in the power transmission<br>                                                            Specifications             Color     Silver    <br> Material     Stainless Steel    <br> Suitable for     V222    <br> Dimensions     (0.08 x 0.28)" / (0.2 x 0.7)cm (H x Dia.)    <br> Weight     0.07 oz / 2 g     <br>                                                             Package Includes            4 x Bearing<br>