Based on the world famous Butterfly®, the Butterfly XT™ is a classic design with modern technology. It features a ball-bearing axle, offering 10x the spin time of the original Butterfly®. It boasts a take-apart design for easy knot removal and starburst response design for snappy returns to the hand. These features make Butterfly XT™ perfect for a beginner to intermediate player looking for high performance at a great price!