Traditional Upright Screws for Height Adjustment Knob - 10 pcs 53143 <table id=""parts-model-details""> <tbody> <tr> <td>S647D</td> <td>SANITAIRE SYSTEM PRO UPRIGHT S647D</td> </tr> <tr> <td>S663D</td> <td>HEAVY DUTY SANITAIRE UPRIGHT S663D</td> </tr> <tr> <td>S677A-1</td> <td>SANITAIRE BLUE S677A-1</td> </tr> <tr> <td>SC689A-2</td> <td>SANITAIRE COMMERCIAL SC689A-2</td> </tr> <tr> <td>SC695A</td> <td>SANITAIRE COMMERCIAL UPRIGHT SC695A</td> </tr> <tr> <td>SC695B</td> <td>SANITAIRE COMM TRADITIONAL UPR SC695B</td> </tr> <tr> <td>SC887A</td> <td>SANITAIRE ESP COMCL UPRT SC887A</td> </tr> <tr> <td>SC888D</td> <td>SANITAIRE ESP COMCL CLNR SC888D</td> </tr> <tr> <td>SC888F</td> <td>SANITAIRE 12""UPRIGHT(EC888A) SC888F</td> </tr> <tr> <td>SC899F</td> <td>TRADITION™ Upright SC899F</td> </tr> </tbody> </table> <ul> <li><img src=""https://i2.wp.com/www.commercialvacuum.com/assets/images/53143.jpg?w=800"" /></li> </ul>