Wilson brings back one of their most solid spin machines. With the Burn 100S v4 will gives intermediate and advanced players a power for spin machine. Boasting an 18x16 Spin Effect string pattern, the Burn 100 S puts a tight grip on the ball, resulting in easier access to spin. With its 326 swingweight, the 100S comes around with decent speed to deliver a solid feel at impact. Made with a firm Carbon FiberGraphite, the Burn's response feels crisp and powerful. This stick also features Parallel Drilling which helps the strings soak up more vibration and transfer greater energy to the ball.From the baseline this racquet rewards full swings with enough pop to control the action. It also provides very easy access to spin, making this a great racquet for the aggressive topspin player who likes hitting heavy spin-loaded balls that drop hard and explode off the court. Although the 11.2 ounce weight is manageable for intermediates, the 326 swingweight gives it enough plow through for the more advanced player. At net the 100S comes around quickly to deliver a solid and lively feel. On serve the combination of spin, precision and pop will give you the ability to force some very weak replies. Ultimately, this powerful and spin-friendly weapon is dangerous in the hands of an aggressive player.