Item Type: Cue Extension_x005F_x000D_Material: Plastic_x005F_x000D_Application: For Training, Competition_x005F_x000D_Product Size: Length: Approx.30.5cm/12.0in_x005F_x000D_Sleeve Outer Diameter: Approx.4.5cm/1.8in_x005F_x000D_Inner Diameter: Approx.3.5cm/1.4in_x005F_x000D_Weight: Approx.192g/6.8oz 1Plastic Material: Made of high quality plastic material, durable, wear resistant and simple. 2High Efficiency: After tightening, extension rod can firmly hold the back handle of the club, like a whole, with high power transmission efficiency. 3Easy to Operate: Extension mouth can be turned very tight, able to firmly grasp the cue, easy to use, simple to operate. 4High Grip Force: Has high grip force, that the extension stick is not easy to slip or falling from your hand, helpful for improving performance. 5Fits Most Sizes: The reminder extender almost fits all brands, its length is about 30.5cm/12.0in.