Product including: 1 quality of the Flexible shaft/ connecting link <br /><br />Length: about 290mm <br /><br />Connection hex shank drill site size 6.35mm (1/4) <br /><br />Connecting parts of the batch Hex size 6.35mm (1/4 <br /><br />pls be noted， shaft ONLY， the price is without drill， drill only for reference!!!<br /><br />Package Contents:<br />1 x Flexible shaft