Knee Piece 1/2 BSP x 1/2 BSP Swivel

<table border="0"> <tbody> <tr> <td colspan="2">Knee Screw Coupling</td> </tr> <tr> <td style="width: 200px;">Material</td> <td>Galvanized Steel</td> </tr> <tr> <td>External Thread Size</td> <td>1/2 BSP</td> </tr> <tr> <td>Internal Thread Size</td> <td>1/2 BSP</td> </tr> <tr> <td>Key Width&nbsp;</td> <td>27 mm</td> </tr> <tr> <td>Length</td> <td>47 mm</td> </tr> </tbody> </table> <p>&nbsp;</p>