2xCCW & 2xCW V2 5045 Bullnose have a thicker hub connection, which is perfect for racing. V2 also spin at higher RPMs Perfect for your 210+ sized mini racing drone! V2 5045 Bullnose props will provide smooth flight while providing more than enough power for punch outs. PC + glass fiber material is made of a high quality, flexible and durable plastic that can easily survive crashes and tree clips.