Look no further. Remarkable product quality， that's solidly built. Best of all， its very affordable price. Buy immediately.<br /><br />Dimension: Length: about 130mm， Expanding bit diameter: Max. 14mm <br />1 x Expanding Hole Opener<br /><img src="http://img6.eachbuyer.com/x15/p13/bg380_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x15/p13/bg380_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x15/p13/bg380_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x15/p13/bg379_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x15/p13/bg379_4.jpg" />