The [K]Four 112 OS delivers the ultimate in power and control thanks to [K]Factor technology. Featuring the exclusive [K]onnector system with an oversized sweetspot, the [K]Four will become an instant favorite for those seeking to conquer the game. Specifications: Headsize: 112” Strung Weight: 9.7 ounces Length: 27.5” String Pattern: 16 x 20 Strung Balance: 6 points HH Cross Section 29.5 mm Grip Sizes: 0 – 5 [K]arophite Black [K]onnector [K]ompact Center [K]ontour Yoke Double Hole Product Reviews: I love this racquet! I demoed a few racquets (Head metallix 4, prince speedport red, and ncode n4) before deciding on this one. I love it. The smaller design on the throat allows my backhands to have more spin. This is Wilson's newest technology and so far, I'm very impressed. – Garrett, Claremore, OK, USA